CodeCalc PDF

 

CodeCalc User's Guide

Version 2014 (16.0)

Tuesday, Novem ber 19, 2013 DICAS-PE-200109D

 

  Copyright Copyright © 1985-2013 Intergraph CAS, Inc. All Rights Reserved. Intergraph is part of Hexagon . Including software, file formats, and audiovisual displays; may be used pursuant to applicable software license agreement; contains confidential and proprietary information of Intergraph and/or third parties which is protected by copyright law, trade secret law, and international treaty, and may not be provided or otherwise made available without proper authorization from Intergraph Corporation. Contains RealDWG™ by Autodesk, Inc. Copyright © 1998-2013 Autodesk, Inc. All rights reserved.

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Terms of Use a.

Use of a software product and Documentation is subject to the End User License License Agreement ("EULA") de delivered livered with the software product unless the Licensee has a valid signed license for this software product with Intergraph Corporation. If the Licensee has a valid signed license for this software product with Intergraph Corporation, the valid signed license shall take precedence and govern the use of this software product and Documentation. Subject to the terms contained within the applicable license agreement, Intergraph Corporation gives Licensee permission to print a reasonable number of copies of the Documentation as defined in the applicable license agreement and delivered with the software product for Licensee's internal, non-commercial use. The Documentation may not be printed for resale or redistribution.

b.

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b.

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c.

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Contents What' s New in PV Elit e and CodeCalc .................... ............................. .................. .................. .................. .................. .................. ................. ................. .................. ........... 11  CodeCalc Overv iew ................. .......................... .................. .................. .................. .................. .................. ................. ................. .................. .................. .................. .................. ................ .......13 

What Distinguishes CodeCalc From our Competitors? .................... ............................. ................. ................. .................. .................. ................. ........14  What Analysis Types are Available?..................................................................................................... 14  Technical Techni cal Support ................................... ................ ..................................... .................................... ..................................... ..................................... .................................... ..................... ... 18  Installation ............................................................................................................................................. 19  CodeCalc Wor Workf kflo lo ws .................. ........................... .................. .................. .................. .................. .................. ................. ................. .................. .................. .................. .................. ............. .... 21 

Starting CodeCalc ................ ................................... ..................................... .................................... ..................................... ..................................... .................................... ..................... ... 21  Performing an Analysis ......................................................................................................................... 21  Reviewing the Results - The Output Option ........ ................. .................. .................. .................. .................. .................. .................. .................. ................. .......... 26  Printing Printin g or Saving Reports to a File ................ ................................... ..................................... .................................... ..................................... ......................... ...... 27  Tabs ............................................................................................................................................................ 29 

File Tab ................................................................................................................................................. 29 

 

Home Tab Tab .............................................................................................................................................. ............................................................................................................................................. 32 30  Tools Configuration Configu ration Dialog Box .................................... ................. ..................................... .................................... ..................................... ..................................... ..................... ... 33  Create/Edit Create/ Edit Units File.................................... ................. ..................................... .................................... ..................................... ..................................... ........................... ......... 36  Material Database Editor ................................................................................................................ 38  Diagnostics Tab .................................................................................................................................... 55  ESL Tab ................................................................................................................................................ 55  Shell s and Heads .................. ........................... .................. .................. .................. .................. ................. ................. .................. .................. .................. .................. .................. .................. ........... 59 

Purpose, Scope and Technical Basis (Shells) ........ ................. .................. .................. .................. .................. .................. .................. .................. ............... ......59   API 579 Introduction .......... .................. ................. .................. .................. .................. .................. .................. .................. .................. .................. .................. .................. ................. ........62  Purpose, Scope, and Technical Basis ..... .............. .................. .................. .................. .................. .................. .................. .................. .................. ............... ...... 63  Discussion of Results (Shells) ........................................................................................................ 66  Shells/Heads Shells/ Heads Tab .................................... ................. ..................................... .................................... ..................................... ..................................... .................................... ..................... ... 66  Geometry Tab (Shell/Head) .................................................................................................................. 69  Bar Options .................. .................................... .................................... ..................................... ..................................... .................................... ..................................... ........................ ..... 73 Section Options .............................................................................................................................. 76  Optional Data Tab ................................................................................................................................. 79   Supplemental Suppl emental Loads ..................................... .................. ..................................... .................................... ..................................... ..................................... ........................... ......... 80  Compute Remaining Life ................................................................................................................ 81   Jacket Tab................................... ................ ..................................... .................................... ..................................... ..................................... .................................... ................................. ............... 83   API 579 (FFS) Tab ................. .......................... .................. .................. .................. .................. .................. ................. ................. .................. .................. .................. .................. ............. .... 90  Data Measurement Measuremen t Tab ................ ................................... ..................................... .................................... ..................................... ..................................... ........................ ...... 94  Point Measurement Data Dialog Box ............................................................................................. 96   Enter CTPs Dialog Box................................................................................................................... 96  Groove Options .............................................................................................................................. 97  Enter Pitting Information Dialog Box .............................................................................................. 98   Results .................................................................................................................................................. 99 

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Contents Nozzles ..................................................................................................................................................... 101 

Purpose, Scope, and Technical Basis (Nozzles) .... ............. .................. .................. .................. .................. .................. .................. .................. ............. .... 101  Nozzle Tab ................... ..................................... .................................... ..................................... ..................................... .................................... ..................................... ............................ ......... 102  Geometry Geometr y Tab ................................... ................ ..................................... .................................... ..................................... ..................................... .................................... ......................... ....... 105  Miscellaneous Miscell aneous Tab ..................................... .................. ..................................... .................................... ..................................... ..................................... .................................. ................ 109  Shell/Head Tab ................................................................................................................................... 117  Results ................................................................................................................................................ 122   Actual Nozzle Diameter Thickness.................. ........................... ................. ................. .................. .................. .................. .................. .................. ............... ......123 Required Thickness of Shell and Nozzle............ Nozzle..................... .................. ................. ................. .................. .................. .................. .................. ............ ... 123  UG-45 Minimum Nozzle Neck Thickness ......... .................. .................. .................. .................. .................. .................. .................. .................. ............. .... 123  Required and Available Areas ...................................................................................................... 124   Selection of Reinforcing Pad ........................................................................................................ 124   Large Diameter Nozzle Calculations ............................................................................................ 124   Effective Material Diameter and Thickness Limits ......... .................. .................. .................. ................. ................. .................. .................. .........124  Minimum Design Metal Temperature ........................................................................................... 124  Weld Size Calculations ................................................................................................................. 125  Weld Strength Calculations .......................................................................................................... 125  Failure Path Calculations.............................................................................................................. 125  Iterative Results Per Pressure, Area, And UG-45 ........... .................... .................. .................. .................. .................. .................. ................ .......125  Coni cal Secti on s ................. .......................... .................. .................. .................. .................. .................. .................. .................. .................. .................. .................. ................. ................. ........... 127 

Cone Design Tab (Conical Sections) .................................................................................................. 128   Cone Geometry Tab ........................................................................................................................... 130  Small Cylinder and Larger Cylinder Tabs .............. ....................... .................. ................. ................. .................. .................. .................. .................. ............... ......131  Results ................................................................................................................................................ 133  Internal Pressure Results ............................................................................................................. 134  External Pressure Results ............................................................................................................ 134  Reinforcement Calculations Under Internal Pressure ........... .................... .................. .................. .................. .................. .................. ........... 134  Reinforcement Calculations Under External Pressure ...... ............... .................. .................. .................. ................. ................. ............... ......135  Float in g Heads ................. .......................... .................. .................. .................. .................. .................. .................. .................. .................. .................. .................. .................. ................. ............ .... 137 

Head Tab ............................................................................................................................................ 138  Flange/Bolts Flange/ Bolts Tab ..................................... .................. ..................................... .................................... ..................................... ..................................... .................................... .................... 140  Gasket Tab.................. ..................................... ..................................... .................................... ..................................... ..................................... .................................... ............................ .......... 142  Miscellaneous Miscell aneous Tab ..................................... .................. ..................................... .................................... ..................................... ..................................... .................................. ................ 150  Results ................................................................................................................................................ 155  Internal Pressure Results for the Head: ....................................................................................... 155   External Pressure Results for Heads: .......................................................................................... 155   Intermediate Calculations for Flanged Portion of Head ................. .......................... .................. .................. .................. .................. ........... 155  Required Thickness Calculations ......... .................. .................. .................. .................. .................. .................. .................. .................. ................. ................ ........156   Soehren's Soehren 's Calculation Calcu lations: s: ................................... ................ ..................................... .................................... ..................................... ..................................... ...................... .... 156  Flanges ..................................................................................................................................................... 157 

Purpose, Scope, and Technical Basis (Flanges) .... ............. .................. .................. .................. .................. .................. .................. .................. ............. .... 157  Flange Data Tab ................................................................................................................................. 160   Hub/Bolts Tab ..................................................................................................................................... 165  Gasket Data Tab ................................................................................................................................. 168  Results (Flanges) .................................... .................. .................................... ..................................... ..................................... .................................... ..................................... ................... 172 

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Contents

TEMA Tubesheets ................................................................................................................................... 177  

Purpose, Scope, and Technical Basis (TubeSheets) ............ ..................... .................. .................. .................. .................. .................. ................ .......177  Shell Tab (TEMA Tubesheets) ............................................................................................................ 181  Channel Tab (TEMA Tubesheets) ...................................................................................................... 182   Tubes Tab (TEMA Tubesheets) .......................................................................................................... 184  Tubesheet Tab (TEMA Tubesheets) .................................................................................................. 188  Expansion Joint Tab (TEMA Tubesheets) .......................................................................................... 192   Tubesheet Extended as Flange Dialog (TEMA Tubesheets) ..................... .............................. .................. .................. .................. ............. .... 196 Outer Cylinder Dialog Box .................................................................................................................. 198  Outer Cylinder on the Thick Expansion Joint .............. ....................... .................. ................. ................. .................. .................. .................. ............ ... 198  Outer Cylindrical Element Corrosion Allowance ......... .................. .................. ................. ................. .................. .................. .................. ............ ... 199  Outer Cylindrical Element Length (Lo) ......................................................................................... 199   Shell Band Properties Dialog Box ....................................................................................................... 200   Shell Thickness Adjacent to Tubesheet ........ ................. .................. .................. .................. .................. .................. .................. .................. ................ .......200  Shell Band Corrosion Allowance .................................................................................................. 200   Length of Shell Thickness Adjacent to Tubesheet, T ubesheet, front end L1 ......... .................. .................. .................. ................. .............. ......200  Length of Shell Thickness Adjacent to Tubesheet, T ubesheet, rear L1......... L1.................. .................. .................. .................. .................. ............. .... 200  Multiple Load Cases Dialog Box (TEMA Tubesheets) ......... .................. .................. .................. ................. ................. .................. .................. .........201  Tubesheet Gasket Dialog Box ............................................................................................................ 202   Fixed Tubesheet Exchanger Dialog Box ............................................................................................ 204  Kettle Tubesheet Dialog Box .............................................................................................................. 205  Results (Tubesheets) (Tubesheets ) .................. .................................... .................................... ..................................... ..................................... .................................... ............................... ............. 206   ASME Tub T ub esh eets ........................... ........ ..................................... .................................... ..................................... ..................................... .................................... ............................... ............. 213 

Purpose, Scope, and Technical Basis ................................................................................................ 213   Shell Tab .................. ..................................... ..................................... .................................... ..................................... ..................................... .................................... ............................... ............. 215  Channel Tab ................................... ................ ..................................... .................................... ..................................... ..................................... .................................... ............................ .......... 216  Tubes Tab ................................... ................ ..................................... .................................... ..................................... ..................................... .................................... ............................... ............. 217  Tube to Tubesheet Joint Input Dialog Box ...................... ............................... .................. .................. .................. .................. .................. ................ .......220  Tubesheet Tubeshe et Tab ..................................... ................... .................................... ..................................... ..................................... .................................... ..................................... ...................... ... 223  Tubesheet Exchanger Dialog Box ................................................................................................ 228  Multiple Load Cases Dialog Box .................................................................................................. 229   Tubesheet Gasket/Bolting Input Dialog Box................... Box............................ .................. ................. ................. .................. .................. .................. .........231  Expansion Joint Tab ........................................................................................................................... 236  Tubesheet Extended As Flange Dialog Box ....................................................................................... 242    Additional Input U-tube Tubesheets Dialog Box ........ ................. .................. .................. .................. .................. .................. .................. .................. ........... 242  Results (ASME Tubesheets) Tubeshe ets) ..................................... .................. ..................................... .................................... ..................................... ..................................... .................... 243  Hori zont al Vessels Vessel s ......... .................. ................. ................. .................. .................. .................. .................. .................. .................. .................. .................. .................. .................. ............... ......247 

Saddle Wear Plate Design .................................................................................................................. 247  Vessel Tab .......................................................................................................................................... 249  Shell/Head Tab ................................................................................................................................... 251  Saddle/Wear Tab ................................................................................................................................ 253  Saddle Webs and Base Plate Dialog Box.................. ........................... .................. .................. .................. .................. .................. .................. ................. .......... .. 254  Stiffening Ring Tab (Horizontal Vessels) .................. ........................... ................. ................. .................. .................. .................. .................. .................. ............ ... 255  Longitudinal Loads Tab (Horizontal Vessels) .................. ........................... .................. .................. .................. .................. .................. .................. ............. .... 256  Seismic Loads Tab (Horizontal Vessels) .................. ........................... ................. ................. .................. .................. .................. .................. .................. ............ ... 257  Wind Loads Tab (Horizontal Vessels).................. Vessels)........................... .................. .................. .................. .................. .................. .................. ................. ................ ........ 258  Results ................................................................................................................................................ 261 

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Contents Rectan gu lar Vessel s (Ap p. 13) ....... ................ .................. ................. ................. .................. .................. .................. .................. .................. .................. .................. ............... ...... 265 265 

Vessel Tab .......................................................................................................................................... 272  Figure A1 Dialog Box ................. .................................... ..................................... .................................... ..................................... ..................................... ......................... ....... 280  Figure A2 Dialog Box ................. .................................... ..................................... .................................... ..................................... ..................................... ......................... ....... 280  Figure B3-B Dialog Box ................................................................................................................ 290   Short Side Tab .................................................................................................................................... 292   Long Side Tab ..................................................................................................................................... 294   Reinforcing Bar Options ...................................................................................................................... 297 Reinforcing Section Options ............................................................................................................... 298  Results ................................................................................................................................................ 298  Ligament Ligam ent Efficiency Calculati Calculations ons ................. .................................... ..................................... .................................... ..................................... .......................... ....... 298  Reinforcement Calculations ......................................................................................................... 299  Stress Calculations Calculatio ns .................. .................................... .................................... ..................................... ..................................... .................................... ............................ .......... 299   Allowable Calculations.................... Calculations............................. .................. .................. .................. .................. .................. ................. ................. .................. .................. .............. ..... 300  Highest Percentage of Allowable Calculations ...... ............... .................. .................. ................. ................. .................. .................. .................. .........300  MAWP Calculations Calculation s ................................... ................. .................................... ..................................... ..................................... .................................... ............................ .......... 300  External Pressure Calculations .................................................................................................... 301  Legs and Lu gs ................. .......................... .................. .................. .................. .................. .................. .................. .................. .................. .................. .................. .................. ................. ............ ....303  

Legs and Lugs Tab ............................................................................................................................. 305   Baseplate ...................................................................................................................................... 307  Loads Tab ................ ................................... ..................................... .................................... ..................................... ..................................... .................................... ............................... ............. 310  Wind Loads .................. .................................... .................................... ..................................... ..................................... .................................... ..................................... ...................... ... 312  Seismic Loads .............................................................................................................................. 315  Lifting Lug Dialog Box ......................................................................................................................... 317   Support Lug Dialog Box ...................................................................................................................... 320  Vessel Leg Tab ................................................................................................................................... 322    AISC Database Dialog Box ......... .................. .................. .................. .................. .................. .................. .................. .................. ................. ................. ................. ........324  Trunnion Trunnio n Tab ................... ..................................... .................................... ..................................... ..................................... .................................... ..................................... ......................... ...... 325  Output ................................................................................................................................................. 327  Leg Results ......................................................................................................................................... 328  Baseplate Basepla te Result Results s ................................... ................ ..................................... .................................... ..................................... ..................................... .................................... .................... 328  Trunnion Trunnio n Results ................... ..................................... .................................... ..................................... ..................................... .................................... ..................................... ................... 328  Pipes and Pads ........................................................................................................................................ 329  

Pipes and Pads Tab (Pipes and Pads) ............................................................................................... 329   Output ................................................................................................................................................. 339  WRC 107/537 FEA .................................................................................................................................... 341 

Design Tab .................. ..................................... ..................................... .................................... ..................................... ..................................... .................................... ............................ .......... 342  Vessel Tab .......................................................................................................................................... 345  Loads Tab ................ ................................... ..................................... .................................... ..................................... ..................................... .................................... ............................... ............. 347  WRC 107/537 Load Conventions ................................................................................................. 358  Global Load and Direction Conventions ....................................................................................... 359   WRC 107 Options ............................................................................................................................... 360  FEA Options ................................................................................................................................. 362  Results (WRC 107/537/FEA) .............................................................................................................. 363  WRC 107 Stress Summations ...................................................................................................... 363   WRC 107 Stress Calculations ...................................................................................................... 366  Finite Element Analysis (FEA) ...................................................................................................... 368 

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Contents Examples ............................................................................................................................................ 370 

Base Rings ............................................................................................................................................... 373 

Base Ring (1) Tab (Base Rings) ......................................................................................................... Base Ring (2) Tab (Base Rings) ......................................................................................................... Miscellaneous Tab (Base Rings) ........................................................................................................ Results (Base Rings) ..........................................................................................................................

379  380  382  386 

Thin Thi n Joi nt s.................... s............................. .................. .................. .................. .................. ................. ................. .................. .................. .................. .................. .................. .................. ................. ........389 

Expansion Joint Tab (Thin Joints) ....................................................................................................... 390  Bellows Tab (Thin Joints) .................................................................................................................... 394  Thick Thi ck Jo in ts .................. ........................... .................. .................. .................. .................. ................. ................. .................. .................. .................. .................. .................. .................. ................. ........397 

Expansion Joint Tab (Thick Joints) ..................................................................................................... 399  Shell Tab (Thick Joints) ...................................................................................................................... 401  Miscellaneous Tab (Thick Joints)........................................................................................................ 402  Results (Thick Joints) .................. .................................... .................................... ..................................... ..................................... .................................... ............................... ............. 404  Half Pipes ................................................................................................................................................. 407 

Shell Tab (Half Pipes) ......................................................................................................................... 408   Jacket Tab (Half Pipes) ....................................................................................................................... 409   Discussion Discus sion of Results .................................... .................. .................................... ..................................... ..................................... .................................... ............................... ............. 410  Larg e Openi ng s ........ ................. .................. .................. .................. .................. .................. .................. .................. ................. ................. .................. .................. .................. .................. ........... .. 413 

Opening Tab (Large Openings) .......................................................................................................... 415   Shell/Nozzle Tab (Large Openings) .................................................................................................... 416   WRC 297/Annex G ................................................................................................................................... 417 

WRC 297 Tab ..................................................................................................................................... 417  Vessel Tab .......................................................................................................................................... 420  Nozzle / Attachment Tab ..................................................................................................................... 421  Loads Tab ................ ................................... ..................................... .................................... ..................................... ..................................... .................................... ............................... ............. 423   Ap pen di x Y Fl ang es ....................................... ..................... .................................... ..................................... ..................................... .................................... .................................. ................ 425 

Flange Tab ................... ..................................... .................................... ..................................... ..................................... .................................... ..................................... ............................ ......... 426 Hubs/Bolts Tab.................................................................................................................................... 428  Gasket Tab.................. ..................................... ..................................... .................................... ..................................... ..................................... .................................... ............................ .......... 430  Materi al Dialo g Bo xes .................. ........................... ................. ................. .................. .................. .................. .................. .................. .................. .................. .................. .................. .........437 

Material Database Dialog Box ............................................................................................................ 437  Material Properties Dialog Box ........................................................................................................... 486   Ap pen di ces ....................... .... ..................................... .................................... ..................................... ..................................... .................................... ..................................... ............................ ......... 501 

Example Problems .................. ..................................... ..................................... .................................... ..................................... ..................................... .................................. ................ 501  Complete Vessel Examples ......................................................................................................... 501   Bibliography of Pressure Vessel Texts and Standards ......... .................. .................. .................. .................. .................. .................. ................ .......538  CodeCalc Version 4.5 Features (7/90) ............................................................................................... 540  CodeCalc Version 5.0 Features (6/91) ............................................................................................... 540 

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Contents CodeCalc Version 5.1 Features (7/92) ............................................................................................... 540  CodeCalc Version 5.2 Features (7/93) ............................................................................................... 541  CodeCalc Version 5.4 Features (6/95) ............................................................................................... 541  CodeCalc Version 5.3 Features (7/94) ............................................................................................... 542  CodeCalc Version 5.5 Features (6/96) ............................................................................................... 543  CodeCalc Version 5.6 Features (6/97) ............................................................................................... 544  CodeCalc Version 6.0 Features (6/98) ............................................................................................... 545  CodeCalc Version 6.1 Features (1/99) ............................................................................................... 545  CodeCalc Version 6.2 Features (1/2000) ........................................................................................... 545  CodeCalc Version 6.3 Features (1/2001) ........................................................................................... 546  CodeCalc Version 6.4 Features (1/2002) ........................................................................................... 546  CodeCalc Version 6.5 Features (1/2003) ........................................................................................... 547  CodeCalc Version 2004 Features (1/2004) ......... .................. .................. .................. .................. .................. .................. .................. .................. ................ .......547  CodeCalc Version 2005 Features (1/2005) ......... .................. .................. .................. .................. .................. .................. .................. .................. ................ .......548  CodeCalc Version 2006 Features (1/2006) ......... .................. .................. .................. .................. .................. .................. .................. .................. ................ .......548  Index ......................................................................................................................................................... 551 

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CodeCalc User's Guide

 

 

What' hat's s New New i n PV El it ite e and and Cod ode eCal c Below are the new features for Version 2014 (16.0) of PV Elite and CodeCalc. New features and improvements come directly from your comments, as well as updates to the previous version. This version of the software includes any an y new features or revisions made to the software for service packs on the 2013 version.

Code Updates Updates and Analysis Analy sis Changes  

ASME 2013 VIII-1 Edition updates incorporated

 

ASME 2013 VIII-2 Edition updates incorporated

 

ASME 2 2013 013 Section II Part D Edition updates added (included hundreds of changes and and additions)

 

PD 5500 2013 Addenda changes added

 

BS EN 13445-3:2009+A1:2012 updates incorporated

 

ASCE-2010 Wind/Seismic codes added

 

IBC 2012 Wind/Seismic codes added

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NBC 2010 Wind/Seismic codes added

Internationalization Updates  

EN 1092 Flange Pressure Pressure Temperature Ratings updated (including PN 2.5 series)

 

EN 1092 Flange Dimensional Data updated

 

South African Wind Code added

 

South African Seismic Code added

 

User customizable G-loading option added

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Productivity Enhanceme Enhancements nts  

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Automatic File Backups added

   

A new testing Program is included Smart Selections for ANSI/EN-1092 Flange Class/Grade Groups

 

Updated Help documentation

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 Analy  An alysi siss Featur Feat ures es  

TEMA Exchanger Analysis added back in CodeCalc software

 

ASME Appendix 9 Type 2 Jackets added

 

PD 5500 Type 2 Jackets added

 

Nozzle FEA via NozzlePRO added back in CodeCalc software

 

Direct UI support for EN-13445 Cold Spun Heads

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CodeCalc User's Guide

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What's New in PV Elite and CodeCalc QA Validation Validation and Verification Add itions  

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The PV Elite develop development ment team continues to add new QA sample benchmark benchmark problems problems to the benchmark solution set. In addition, QA Test now includes many new EN nozzle tests. PV Elite 2014 was benchmarked against ASME PTB-4 (ASME Section VIII-Division 1 Example Problem Manual). The Verification and Quality Assurance Manual was updated to include tables of comparison for various sample problems.

CodeCalc User's Guide

 

 

SECTION 1

Cod ode eCa Call c Overvie Overvi ew CodeCalc consists of nineteen modules for f or the design and analysis of pressure vessels and heat exchangers, and assessment of fitness for service. The software provides the mechanical m echanical engineer with easy-to-use, technically sound, well-documented reports. The reports contain detailed calculations and supporting comments, which speed and simplify the task of vessel design, re-rating, or fitness for service. The popularity of CodeCalc is a reflection of Intergraph's expertise in programming and engineering, and dedication to service and quality. Calculations in CodeCalc are based on the latest editions of national codes such as the ASME Boiler and Pressure Vessel Code, or industry standards such as the Zick m method ethod of analysis for horizontal drums. CodeCalc offers exceptional ease of use, which results in dramatic improvement in efficiency for both design and re-rating. CodeCalc features include:  

Extensive on-line help.

 

Management of multiple analysis files so that you can define a whole pressure vessel in a single file.

 

Defining y your our own own un unit it sy system, stem, in including cluding metric and SI units. Internally, however, calculations continue to be in the English system of units, assuring continuing compliance with ASME Code requirements.

 

Access to a complete material library including over 3,000 allowable stress stress versus versus temperature tables and 67 external pressure charts. You can also add materials to the database.

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Access to a component component library containing diameter and wall thickness for all sta standard ndard pipe sizes, pressure vs. temperature charts for ANSI B16.5 flanges, and section properties for  AISC beam sections.

 

A summary capability allowing evaluation of all the components of a pressure vessel or heat exchanger. Design pressure, temperature, material, and maximum allowable working pressure (MAWP) are shown for each component.

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  Comments Thorough and printedmay analysis reports,atwith definable efinable headings headings each page. pis age. andcomplete other additions be inserted anyd point in the output. on Analysis saved to a drive and can be exported to a text or Microsoft Word file format, making it easy to keep records and do revisions.  

High-quality documentation with complete operating instructions, a tutorial, and many example problems, making CodeCalc suitable for both beginners and experts.

 

Scaled and dimensioned plots for each component in every module. The graphics can be sent directly to the printer.

 

Interactive calculations, allowing quick d design esign optimization without leaving the input screen.

 

Extensive examples covering covering most of the the ASM ASME E Section VIII Div.1 code examples, along with some published examples.

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CodeCalc User's Guide

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CodeCalc Overview  

Merge and import features, allowing faster faster and error-free ways to shar share e data between different CodeCalc modules or from PV Elite.

 

An auto-save feature, allowing files to be saved at specified time intervals.

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In This Section What Distinguishes CodeCalc From our Competitors? ................. .................14 .14 What Analysis Types are Available? ............................................. ............................................. .14 Technical Support .......................................................................... .18 Installation...................................................................................... ...................................................................................... .19

Disti ngui shes CodeC CodeCalc alc From From our Comp ompe etit titors ors? ? What Disti Our staff of experienced pressure vessel engineers are involved invol ved in day-to-day software development, software support, and training. This approach has produced software which closely fits today's requirements of the pressure vessel industry. Data entry is simple and straightforward through annotated input fields. Most of these fields are accompanied accom panied by an informative help file. CodeCalc provides the widest range of modeling and analysis capabilities without becoming too complicated for simple system s ystem analysis. You can tailor CodeCalc through default settings and customized databases. Comprehensive input graphics confirm model construction before analysis is made. The software's interactive output processor presents results on the monitor for quick review or sends complete reports to a file, printer or Microsoft Word document. CodeCalc is an up-to-date package that not n ot only uses standard analysis guidelines, but also provides the latest recognized opinions for these analyses. CodeCalc is a field-proven engineering analysis program. It is a widely recognized product with a large customer base and has an excellent support and development record.

Whatt Analysi Analy sis s Types are are Available? Availabl e? Wha The following analysis modules are available in CodeCalc:

Shells & Heads Heads Performs internal and external pressure design of vessels and exchangers using the ASME Code, Section VIII, Division 1 rules. Components include cylinders, conical sections, elliptical heads, torispherical heads, flat heads, spherical shells, and spherical heads. This module calculates required thickness and maximum allowable internal pressure for the given component. It also calculates the minimum design metal temperature tem perature according to UCS-66, and evaluates stiffening rings for external pressure design. Jackets covering the shell can also be analyzed. These jackets are addressed in Appendix 9 of the ASME Sec. VIII Div. 1. The module implements API-579 Fitness For Service evaluations (FFS) Sec. 4, Local T Thinning, hinning, Sec. 5, General Metal Loss and Sec. 6 Pitting Corrosion. For more information, see Shells and Heads (on page 59) page 59)..

Nozzles Calculates required wall thickness and reinforcement under internal pressure for nozzles in shells and heads, using the ASME Code, Section VIII, Division 1 rules, including tables of

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CodeCalc User's Guide

 

 

CodeCalc Overview outside diameter and wall thickness for all nominal pipe diameters and schedules. The module checks weld sizes, calculates the strength of reinforcement, and evaluates failure paths for the nozzle. Hillside, tangential and Y-angle nozzles can also be evaluated. For more information, see Nozzles (on page 101) page 101)..

Conical Sections Performs and external pressure1 analysis of conical sections and stiffening usingof the ASMEinternal Code, Section VIII, Division rules. Complete area of reinforcement andrings moment m oment inertia calculations for the cone under both internal and external pressure are included. For more information, see Conical Sections (on page 127) page 127)..

Floating Heads Performs internal and external pressure analysis of bolted dished dishe d heads (floating heads) using the ASME Code, Section VIII, Division 1, Appendix 1 rules. The module also provides the additional Soehren's calculation technique allowed by the code. MAWP and MAPnc are also calculated. For more information, see Floating Heads (on page 137) page 137)..

Flanges Performs stress analysis and geometry selection for all types of flanges using the ASME Code, Section VIII, Division 1 rules. This module designs and analyzes the following types of flanges:  

All integral flange types

 

Slip-on flanges and all loose flange types with hubs

 

Ring-type flanges and all loose flange types without hubs

 

Blind flanges, both circular and non-circular

 

TEMA channel covers

 

Reverse geometry weld neck flanges

 

Flat faced flanges with full face gaskets

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You can input the external forces and moments acting on the flange and alternate mating flange loads. For more information, see Flanges (on page 157) page 157)..

TEMA Tubesheets (TEMA (TEMA and PD 5500) 5500) Performs an analysis of all types of tubesheets using the 8th Edition of the Standards of the Tubular Exchanger Manufacturers Association and PD 5500. The module takes full account of the effects of tubesheets extended as flanges. For fixed tubesheets, the module m odule includes the effects of differential thermal expansion and the presence of an expansion joint. Expansion  joints can also be designed. For a fixed tubesheet exchanger the module analyzes multiple load cases for both the corroded and uncorroded conditions. If an expansion joint is ad added, ded, then run the corresponding expansion joint load cases. For more information, see TEMA Tubesheets (on page 177) page 177)..

CodeCalc User's Guide

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CodeCalc Overview  ASME Tubesh Tub esheets eets Determines the required thickness of tubesheets for fixed, floating, or U-tube exchangers according to the ASME Code Section VIII division 1 section UHX. Analyzes multiple loads cases for corroded and uncorroded conditions. MAWP and MAPnc for the shellside and tubeside are ar e determined. For more information, see  ASME Tubesheets (on page 213) page 213)..

Horizontal Vessels Performs stress analysis of horizontal drums on saddle supports using the L.P. Zick method. Results include stresses at the saddles, the midpoint m idpoint of the vessel, and in the heads. Stiffening rings used in the design of the vessel are evaluated. Additionally, the saddle, webs, and baseplate are checked for external seismic and wind loads. You can also specify friction and additional longitudinal forces on the vessel. For more information, see Horizontal Vessels (on page 247) page 247)..

Rectangular Vessels  Analyzes non-circular pressure vessels vessels using the rules of the ASME Code, Section VIII, Division 1 and Appendix 13. Most of the vessel types in Appendix 13 are analyzed for internal pressure, including reinforced or stayed rectangular vessels with a diametral staying plate. All m membrane embrane and bending stresses are calculated and compared to the appropriate allowables. For more information, see Rectangular Vessels (App. 13) (on page 265) page 265)..

Legs & Lugs Performs analysis of vessel support legs, support lugs, trunnions, and lifting lugs based on industry standard calculation techniques. The resulting stresses are compared com pared to the AISC Handbook of Steel Construction or the ASME Code. A full table of 929 AISC beams, channels, and angles is included in the software. WRC 107 analysis to check local vessel stresses around the trunnion and the support lug is also available. Various wind and seismic codes are available for leg and lug supported vessels. For more information, see Legs and Lugs (on page 303) page 303)..

Pipes & Pads Calculates the required wall thickness and maximum allowable working pressure for two pipes, p ipes, and branch reinforcement requirements for the same two pipes considered as a branch and a header. Based on ANSI B31.3 rules, this module includes tables of outside diameter and wall thickness for all nominal pipe diameters and schedules. For more information, see Pipes and Pads (on page 329) page 329)..

WRC 107/FEA Calculates stresses in cylindrical or spherical shells due to loading on an attachment, using the method of P.P. Bijlaard as defined in Welding Research Council Bulletin 107, including a stress comparison to VIII Div. 2 allowables for three different loading conditions. This module also contains an interface to the finite element elem ent analysis software Nozzle Pro from The Paulin Research Group. For more information, see WRC 107/537 FEA (on page 341) page 341)..

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CodeCalc User's Guide

 

 

CodeCalc Overview Baserings Performs stress and thickness evaluation for skirts and baserings. Results from both the neutral axis shift and simplified method for basering required r equired thickness are reported. Required skirt thickness due to weight loads and bending moments are also displayed. Tailing lugs attached to the basering are analyzed. For more information, see Base Rings (on page 373) page 373)..

Thin Joints (Bellows) (Bellows) Performs stress and life cycle evaluations for thin walled expansion joints (bellows kind) according to ASME VIII Div. 1 appendix 26. MAWP and MAPnc are also calculated. For more information, see Thin Joints (on page 389) page 389)..

Thick Joints Performs stress, life cycle, and spring-rate calculations for flanged and fluid expansion joints according to with ASME VIII Div. 1 appendix 5. The spring rate computation is according to TEMA eighth edition. For more information, see Thick Joints (on page 397) page 397)..

Half Pipes Determines the required thickness and MAWP for half-pipe jacketed vessels according to the  ASME Code Section VIII division 1 appendix EE. EE. For more information, see Half Pipes (on page 407) page 407)..

Large Openings  Analyzes large openings in integral flat heads heads according to the ASME Code Section VI VIII II division 1 appendix 2 and appendix 14. Required thickness, MAWP, and weights are calculated for vessels with or without an attached nozzle. For more information, see Large Openings (on page 413) page 413)..

WRC 297 / PD5500 Annex G Performs the stress analysis of loads and attachments according to Welding W elding Research Council bulletin 297 and British Standard Annex G PD:5500. The WRC 297 bulletin, published in 1984, attempts to extend the existing analysis of WRC 107 for cylinder-to-cylinder intersections. PD:5500 Annex G provides an analysis of stress in cylindrical or spherical shells due to attachment loads. Complete material databases for ASME Sec VIII and Div-1, D iv-1, 2; and PD 5500 are available. For more information, see WRC 297/Annex G (on page 417) page 417)..

 Appen  Ap pendi dixx Y Flang Fl anges es Performs a stress evaluation of Class1 category 1, 2, or 3 flanges that form identical flange pairs, according to the latest version of the ASME Code Section VIII Division 1 Appendix Y. For more information, see  Appendix Y Flanges (on page 425) page 425)..

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CodeCalc Overview Summary Displays a description and evaluation of all the components of a pressure vessel or heat exchanger. Design pressure, temperature, material, actual thickness, and maximum allowable working pressure (MAWP) are shown for each component.

Techn chnical ical understands Support Supp ort Te Intergraph your need to produce efficient, economical, and expeditious designs. To To that end, Intergraph has a staff of helpful professionals ready to address all CodeCalc issues iss ues through their eCustomer service. This system logs and tracks all queries so that every issue and every problem found is addressed with the highest quality assurance in a timely t imely manner. Intergraph provides this service for all users with valid licenses of the program. eCustomer also provides you with a readily available knowledge base of articles on many different aspects of the program, tutorials, frequently asked questions, webinars, testimonies and more. Formal training in CodeCalc and pressure vessel analysis is also available. Intergraph conducts regular training classes in Houston and provides in-house and open attendance c courses ourses around the world. These courses focus on the modeling, m odeling, analysis, and design expertise available at Intergraph. Intergraph also provides free webinars through the WebEx service.

Contact Conta ct Support eCustomer   https://support.intergraph.com  

Phone: 1-800-766-7701

Discussion Forums  Training  http://65.57.255.42/ubbthreads/ubbthr  http://coade.com/PVEliteCourses.aspx   eads.php?ubb=cfrm  Webinars  http://coade.com/products/pv-elite  

Events Calendar   http://coade.com/Events.shtml  

Updates Intergraph distributes software updates every December or January. The purchase price of PV Elite includes unlimited access to PV Elite and CodeCalc and one year of updates, maintenance, and support. Updates, maintenance, and support are available on an annual basis after the first year. Intergraph strongly encourages every user to register their copy of PV Elite to be informed of the latest build/updates for the program. Your information will not be used for third parties.

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CodeCalc User's Guide

 

 

CodeCalc Overview

Installation CodeCalc is now automatically installed when PV Elite is installed. Please P lease refer to the PV Elite User's Guide Installation section for more information.

CodeCalc User's Guide

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CodeCalc Overview

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CodeCalc User's Guide

 

 

SECTION 2

CodeCalc Workflows This section describes the basic workflows of CodeCalc.

In This Section Starting CodeCalc ..........................................................................  21 Performing an Analysis ..................................................................  21 Reviewing the Results - The T he Output Option ..................................  26

Starting CodeCalc 1. Start CodeCalc by selecting Component Analysis  

on the PV-Elite Home tab.

The main CodeCalc window appears.

Performing an Analysis 1.

Click CodeCalc  or if you are running the software through PV Elite, click Component  An alys al ysis is   on the Home tab.

2.

Click New . This allows you to specify the current analysis type.

3.

Click Shells and Heads

on the Home tab.

 A blank input screen displays.

Shell analysis can be defined on the Shell/Head tab of this screen. You can use the Tab key to move down the column colum n of data. Many of the boxes display default values. 4. Type 1 in the Item Number  box.  box. You must type a value in this field or the software cannot perform the analysis. It is a good practice to number the different calculations sequentially. 5.

Press Tab  twice.

6. Type Spherical Head  in the Description  box. The information in this box can be the part number or a short description of the part. This is an optional input.

CodeCalc User's Guide

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CodeCalc Workflows 7.

Select  ASME Sec VIII Di Div v 1  for the  An  Anal alys ysis is Typ e. The next four boxes govern the pressure and temperature.

8. Type 100 (assuming that you are using English units) in the De Design sign Internal Pressure box. 9. Type 700 in the Design Temperature Temperature for Internal Pressure box. When you press Tab Tab,, the software pauses momentarily to check whether the material specified has an allowable stress greater than zero at the temperature entered. 10. Click the button to view the allowable stress. The allowable stress for SA516-70 material is 18,100 psi at this temperature. This is precisely precisel y the value that CodeCalc  extracted from the material database.

11. Type 15 in the De Design sign External Pressure Pressure  box. 12. Type 650 in the Design Temperature Temperature for External Pressure box. 13. Type SA-516-70 in the Material box. The software checks the database and updates the allowable stresses.

14. Another way to select a material is from the list of materials in the database. To see this list, click

to display the materials list.

Each major material classification is divided into columns.

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CodeCalc User's Guide

 

 

CodeCalc Workflows 15. View the parameters for a specific material by clicking the material name.

These parameters can be viewed and modified m odified using Edit/Add Materials   Tools  tab.

on the

Scan the yield stresses for an exact material match at the operating temperature.

16. In the Joint Efficiency Longitudinal Seams  box, type the value of E. This is the longitudinal joint efficiency to use in the calculator. For full radiography, type 1. 17. Select the bo box x for Include Hydrostatic Head Head Components . 18. Type 38 in the Operating Liquid Density  box. 19. Type 54 in the Height of Liqui d Column (Ope (Operating) rating)  box. 20. Type 72 in the Height of Liquid Column (Hydrotest)  box. This particular vessel is a horizontal drum that operates in a partially filled position. When the shop hydrotests the vessel, it is filled and in the horizontal position.

21. Select the Geometry Geometry  tab. 22. Select Spherical for Type of Shell . 23. Specify the diameter basis (OD) for an outside diameter measurement (and calculation). calculation). 24. Type 72 in the Diameter of Shell/Head  box. 25. Type 0.5 inches in the Minimum Thic kness of Pipe or Plate box.

CodeCalc User's Guide

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CodeCalc Workflows 26. Type 0.5 inches in the Nominal Thickness of Pipe or Plate box. 27. Type 0.0625 inches in the Corrosion Allowance box. 28. For this example there is no reinforcing ring required for internal pressure, so select None for the ring type. You have now completed the spherical head input. Your screen should look like the following figure:

tab.

You can view the drawing of the current item at any time by selecting the Drawing  

This horizontal tank has two additional sections, the shell and the elliptical head on the other end.

29. Click Shells and Heads

on the Home tab.

This adds a new element. The new element has identical inputs to the element before it except for a new Item Number  on  on the Design Design tab.  tab.

30. Type 2 in the Item Number  box.  box. 31. Type Cylinder  in  in the Description box. When entering new components, be sure to type appropriate descriptions in the Description  field. This will make your finished reports clearer and easier to follow. 32. Select the Geometry tab to enter the shell type. 33. Because this is a cylinder type, select Cylindrical from the Type of Shell . 34. Type 180 inches for both the De Design sign L ength of Section  and the Design Length for Cylinder Volume Calculatio Calculatio ns.  35. Click Shells and Heads

on the Home tab.

36. Type 3 in the Item Number box, and type Elliptic al Head Head  in the Description  box. The data from the previous element is carried forward, so you will only have to modify the shell/head type.

37. Select the Geometry tab. 38. Select Elliptical  for Type of Shell . 39. Type 2 for a 2:1 elliptical head.

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CodeCalc User's Guide

 

 

CodeCalc Workflows You are now ready to analyze anal yze these three components for internal pressure and hydrostatic head considerations. 40. Save the file, and click An  Anal alyze yze File Fi le  

on the Home tab.

41. Select the  An  Analy aly si s  tab. Your screen will resemble the following figure:

CodeCalc User's Guide

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CodeCalc Workflows

Revie eviewi wing ng the Results Results - The The Outp Output ut Opti ption on You can quickly review the results of this analysis using the Output  option. On the Home tab, click Review Result . If you have analyzed the components com ponents from the input, CodeCalc automatically displays the output for you. You see the following dialog box:

There are three analyses in the output file. If you perform additional analysis anal ysis runs, or analyze other components, such as nozzles, flanges, and tubesheets, the additional analyses also

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CodeCalc User's Guide

 

 

CodeCalc Workflows display. This allows you to review (and print) all of the calculations that you have done for a given vessel or job at one time. The individual report can be viewed by selecting one of the items in the report area. You can scroll up and down in the text to see all input data and results. The Summary of Internal Pressure Results  shows that the required thickness is less than the actual thickness for this job, while the maximum m aximum allowable working pressure (MAWP) is greater than the design pressure. Therefore, the shell thickness you selected is acceptable. You can select more than one analysis at a time by holding down the CTRL  key while selecting the items to view. You can select all reports by clicking Edit > Select Select Al l . When viewing the reports, click Next Report  to move to the next component.

Print ing or Saving Reports Reports to a File Printing the Graphics To print the graphics created by your input, i nput, click Print Drawing  from the Print   menu.

drop down

Printing the Reports To print the output results, click Print Analysis  from the Print  drop down menu.

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CodeCalc Workflows

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CodeCalc User's Guide

 

 

SECTION 3

Tabs The CodeCalc interface is divided into tabs.

In This Section File Tab .......................................................................................... Home Tab ...................................................................................... Tools Tab ....................................................................................... Diagnostics Tab ............................................................................. ESL Tab ......................................................................................... .........................................................................................

 29  30  32  55  55

File Tab The File tab contains the following commands for managing files and printing. Som Some e commands also appear on the quick launch toolbar. New - Creates a new file. If you have a file open with unsaved changes when you click this command, you receive a message asking if you would like to save the changes. Open - Opens an existing file. Files of type *.cci are displayed in the Open dialog box. If you have a file open with unsaved changes when you click this command, you receive a message asking if you would like to save the changes. Save - Saves a .cci file with its currently defined data. If you are saving the file for the first time, the Save As  dialog box appears, so you can specify the location, which could be a local or network drive or a UNC path, and the name of the file. Save As  - Saves the data in the current file as a new file with a different

name or in a different location. A dialog box prompts you to specify the location, which can be a local or network drive or a UNC path, and the name of the file. The software saves all files with a .cci extension added to the name. Print Setup  - Opens the Print Setup  dialog box. Options are available for default printer, paper size and source, orientation, and other printer characteristics. Recent  - Displays a recently used file list provides quick access to the files you use most. The last file you opened is at the top of the list. You can have up to four files in the list.

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Tabs Exit - Closes the open file and exits the software. If you have changed data since the file was last saved, or if you have not saved a new file, the software prompts you to save your changes.

Home Tab The Home tab contains the following commands for editing elements in the file. New - Creates a new file. If you have a file open with unsaved changes when you click this command, you receive a message asking if you would like to save the changes. Open - Opens an existing file. Files of type *.cci are displayed in the Open dialog box. If you have a file open with unsaved changes when

you clickthe this command, you receive a message asking if you would like to save changes. Save - Saves a .cci file with its currently defined data. If you are saving the file for the first time, the Save As  dialog box appears, so you can specify the location, which could be a local or network drive or a UNC path, and the name of the file. Print  - Prints the contents of the active window.

Save Analysis as Text  - Save the analysis anal ysis results out to a .txt file that you specify. Delete Selected Selected Item  - Deletes the current element. Shells and Heads  - Inserts a shell or head element. For more information, see Shells and Heads (on page 59) page 59).. Nozzles  - Inserts a nozzle element. For more information, see Nozzles  (on page 101) page 101).. Conical Section Section s  - Inserts a cone element. For more m ore information, see Conical Sections (on page 127) page 127).. Floating He Heads ads - Inserts a floating head h ead element. For more information, see Floating Heads (on page 137) page 137)..

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CodeCalc User's Guide

 

 

Tabs Flanges  - Inserts a flange element. For more information, see Flanges  (on page 157) page 157).. TEMA Tubesheet  - Inserts a TEMA tubesheet element. el ement. For more information, see TEMA Tubesheets (on page 177) page 177)..  ASME Tu bes heet  - Inserts an ASME tubesheet element. For more information, see ASME Tubesheets (on page 213) page 213).. Horizontal Ve Vessels ssels  - Inserts a horizontal vessel element. For more information, see Horizontal Vessels (on page 247) page 247).. Rectangular Vessels  - Inserts a rectangular vessel element. e lement. For more information, see Rectangular Vessels (App. 13) (on page 265) page 265).. Legs and Lugs  - Inserts a leg or lug element. For more information, see Legs and Lugs (on page 303) page 303).. Pipes and Pads  - Inserts a pipe or pad element. For more information, see Pipes and Pads  (on page 329) page 329).. WRC 107/537 - Inserts a WRC 107/537 nozzle. n ozzle. For more information, see WRC 107/537 FEA (on page 341) page 341).. Base Rings  - Inserts a base ring element. For more information, see page 373).. Base Rings (on page 373) Thin Joints  - Inserts a thin joint element. elem ent. For more information, see Thin page 389).. Joints (on page 389) Thick Joints  - Inserts a thick joint j oint element. For more information, see Thick Joints (on page 397) page 397).. Half Pipes  - Inserts a half pipe element. For more information, see Half Pipes (on page 407) page 407).. Large Openings  - Inserts a large opening element. For more

information, see Large Openings (on page 413) page 413).. WRC 297 - Inserts a WRC 297 nozzle element. For more information, see WRC 297/Annex G (on page 417) page 417)..  Ap pen di x Y Fl ang es  - Inserts an Appendix Y flange element. For more information, see Appendix Y Flanges  (on page 425) page 425).. Titl e Page Page - Opens a blank report title page. You can type report titles for this group of reports. Click Insert Default Default Title Page to use the title page template text that you define in the TITLE.HED file in the defined System folder.

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Tabs Project Data - Opens the Project Da Data ta dialog box. You can type title lines for Company , Vessel , and Engineer . These lines appear at the top of each page of the printed reports. Ca Cascade scade Window s  - Arranges all open windows from the top-left to bottom-right. Horizontal Tile - Arranges all open windows stacking them on top of each other. Vertic Vertic al Tile - Arranges all open windows side-by-side.

 An aly ze Fil e - Performs the analysis on all components in the file.

 An aly ze Sel Select ect ed It ems  - Performs calculations for selected analysis anal ysis types. Review Result  - Opens the Output Processor to view the analysis results.  Ap pen d Res ul t  - Adds the analysis results to the end of the previous analysis results.

Tool s Tab Tools Tab The Tools  tab contains the following utility commands: Configuration - Specifies software parameters. For more information, see Configuration Dialog Box (on page 33) page 33).. Se Select lect Unit s  - Specifies a .fil units file. Select the needed file in the Open dialog box.

The software internally uses conventional American units. Choose another .fil file, such as SI, to display values in other units. Create/Review Units  - Creates a new .fil units file or edits an existing .fil file. For more information, see Make Unit (see "Create/Edit Units File" on page page 36)  36)..

 - Converts a value in one set of units to a Units Conversion Viewer  Viewer  value in another set of units. Each tab of the Units Conversion Utility   dialog box contains a category of conversions, such as length, area, pressure, or force.

32

CodeCalc User's Guide

 

 

Tabs Edit/Add Mate Materials rials  - Creates and edits user-defined materials in the CodeCalc material database. For more information, see Material Database Editor  (on  (on page 38) page 38).. Calculator - Opens the Windows calculator. You can calculate a value, select the value, and use Edit > Copy and Edit > Paste to transfer the value into a CodeCalc field.

Configuration Dialog Dialog Box Sets options for software parameters. Computation Control Tab (Configuration Dialog Box)  (on page 33) page 33)   page 35)   Miscellaneous Tab (Configuration Dialog Box)  (on page 35)

Computation Control Ta Tab b (C (Config onfig uration Dialog Box ) Sets options for computation methods used in the software. Compute Incr ea eased sed Nozzle Thickness?  - Specifies that the minimum nozzle thickness (trn) will be the maximum of:

 

trn = (.134, ttrn rn for internal pressure) lless ess tha than n or equal NPS 18

 

trn = (OD/150, trn for internal pressure) greater than NPS 18





This option is useful when nozzle loadings are unknown, such as when a pressure vessel is designed and built long before the attached piping system. By using this option in addition to UG-45, you have some additional metal available to satisfy thermal bending stresses. This option is not selected by default.

 

These for formulae mulae a are re not in the ASME Code, but a are re commonly used in industry.

 

You can also specify the minimum wall thickness of the nozzle, Trn, using Nozzles minimum wall thickness value then overrides the value calculated by this option.





. The

Calculate Calculate F in Flohead if t he Pressure is Zero?  - Specifies that the factor F is calculated in the design of a floating head. F is a direct function of the internal pressure. If the internal pressure is 0, then F is equal to 0, such as in the flange bolt up case where there is no internal pressure when bolting up the unit.

CodeCalc User's Guide

33

 

Tabs The code can be interpreted to mean that F should always be calculated. This option is conservative and is not selected by default. Use P ins tead of M AWP for UG-99B? UG-99B?  - Specifies that P is used instead of maximum allowable working pressure (MAWP) when calculating hydrostatic test pressure on vessels v essels according to code paragraph UG-99(b). The equation would normally be:

Test Pressure = 1.5 * MAWP * Stest/Sdesign (for A-98 Addenda) or Test Pressure = 1.3 * MAWP * Stest/Sdesign (for post 2001 edition of ASME VIII Division 1) The code, in note 32, states that the MAWP can be assumed to be the same as the design pressure when calculations are not made to determine d etermine the MAWP. This allows for lower lo wer test pressures. This option is not selected by default and should be used with caution. Print Water Volum Volum e in Ga Gallon llon s/Liters?  - For US units, specifies volume in US gallons instead of cubic diameter units (such as cubic feet). For other units, specifies volume in liters instead of cubic diameter units (such as cubic mm). This T his option is not selected by default.

 A US gallon (3.7854 liters) is smaller than than an Imperial gallon (4.5461 liters) as defined in Europe. The software considers only the US gallon. Use Calculated Value of M for Torispherical Heads in UG-45 b1?  - Specifies calculation of the required head thickness at the location of the nozzle by the rules of paragraph UG-32 or by

the rules in Appendix 1, according to code interpretation VIII-1-95-13. This option is selected by default and should always be selected. The code in paragraph UG-45 requires a calculation of the required head thickness thick ness at the location of the nozzle. This sometimes leads to the incorrect assumption that the thickness may ma y be calculated according to paragraph UG-37. However the code interpretation, VIII-1-95-133, issued December 1996, states: g iven in the Question: Does the definition of the required thickness tr for a formed head given nomenclature of UG-37(a) in section VIII, Division 1 apply when determining the minimum nozzle neck thickness in UG-45(b)(1)? Reply: No, see UG-32. Use Pre-99 Pre-99 Addend a?  - Specifies the use of the material database preceding the 1999  Addendum. This is only relevant to Division 1 of ASME VIII. This option is selected by default.

In the 1999 addendum to ASME Section VIII, V III, Division 1, the allowable design stresses (S) were increased. It is recognized that it may be necessary to re-rate vessels constructed before this addendum came into effect. Use Code Code Case 226 2260? 0? (for elli ptic al and tor ispheric al heads) - Specifies the use of modified equations in the Code Case 2260, May 20, 1998, to calculate the required thickness of elliptical and torispherical heads. A thinner head is typically designed. Code Case 2260, Alternate Design Rules for Ellipsoidal and Torispherical Formed Heads, applies to Section VIII Division 1. This option is not selected by default. Do not apply Bolt Spacing Spacing f actor for f langes, tubesheets, tubesheets, and floating heads?  - For the design of heat exchanger flanges and tubesheets, ASME and TEMA (like Taylor-Forge) provide a correction factor when the actual bolt spacing s pacing (circumferentially) exceeds the allowable bolt spacing. The correction factor is then multiplied by the moment to design a thicker thick er flange. The use of this term is very standard in industry and is used in other pressure vessel design Codes such as PD-5500 and EN-13445.

34

CodeCalc User's Guide

 

 

Tabs  ASME Section VIII introduced introduced the bolt space correction fact factor or in the 2010 edition. This facto factorr will be used in the design. The ASME code also states that for computing the rigidity index, flange moments without this correction factor should be used. If you do not want to use the factor, then check this box. This factor tries to accounts for f or any possible opening of the flange faces in the area between any two bolts. The T he default is to use the bolt space correction factor.  - Specifies the year of the material database. Each material year Material Database Year  Year  contains a complete database listing of materials, allowable allo wable design stresses, and other relevant properties. Select Current or an earlier year. If a different material database is selected after creating a set of components, update the component materials by re-selecting them from the material database before performing calculations.

Miscellaneous Tab (Configuration Dialog Box) Sets miscellaneous options used in the t he software. Report Report Content  - Specifies the amount of detail and the length of printed reports. Select Summary to print a short report. Select Detailed to print a normal report that includes formulas and substitutions. External Pressure Pressure Printout in Rows?  - Specifies the style for printing external pressure results rows and columns in reports. Select to print the values in rows to reduce report length. Clear to

print the values in columns. This option is selected by default. Reload Reload last fil e at startup?  - Specifies loading the last file opened the next time the software is started. Syntax Highlighting In Output Reports  - Specifies color-coding of results in reports. Select this option to print warnings in red or blue type, and errors or fatal problems in red type. t ype. This option is selected by default.

When syntax highlighting is used, output generation on-screen and to a Microsoft Word file is slightly slower. Do not Print Extended Extended ASCII Characters Characters in Outpu t Reports  - Specifies printing of extended  ASCII characters in reports. reports. Extended ASCII charact characters ers such as superscript 2 are are not displayed properly on some localized versions of Windows, W indows, such as Chinese, Korean, and Japanese. If you are having difficulty with extended ASCII characters, select this option. When selected, the software uses ASCII characters. Default Default Units File - Specifies the .fil units file to use when creating a new CodeCalc file. Select a units file to use for both data input and calculated results.

This option is not used to change the units of the currently opened CodeCalc file. In this case, use Set Units. For more information, see Tools Tab (on page 32) page 32).. Graphics Display Driver   - Specifies the driver used for generating component and model graphic images on the screen. Open GL  is the default value. If your computer does not display images correctly, select MSW , the Microsoft Windows driver. Nozzle Pro Installatio n Folder  Nozzle  - Specifies the location of Nozzle Pro software, used to perform finite element analysis (FEA) of nozzles. FEA is more accurate and detailed than local load procedures such as WRC107, WRC297, and PD 5500 Annex G. Nozzle Pro is separately-purchased software from Paulin Research Group http://www.paulin.com .  Default File Save Folder   - Specifies the default location for saving input files.

CodeCalc User's Guide

35

 

Tabs Enable Auto Save - Specifies automatically saving the input file. Select this option and enter the time interval between saves. Pe Perfor rfor m Backgro und Saves (S (Silent)? ilent)?  - Specifies silently saving the input file. This option is available when Enable Auto Save is selected. Select to auto save without software prompts. Clear to get software prompts after the time interval specified for Enable Auto Save.

Create/Edit Units File

The Create/Review Units File utility allows you to create a new custom units file or edit an existing units file for use with PV Elite or CodeCalc. The utility is available on the Tools tab > Create/Review Units . You can also double-click MakeUnit.exe in the product delivery folder. Delivered units files have the .fil extension and are in the C:\Users\Public\Public Documents\Intergraph CAS\PVELITE\2013\System folder. Many unit systems are delivered, such as English, MM, SI, Inches, and Newtons. Ne wtons. Unicode systems are delivered for use iin n China, Japan, Taiwan, and Korea, where multibyte character sets are used. You can save new units files to the system folder or to another folder.

 

Use Tools  tab > Configuration

 

Use Tools  tab > Select Select Unit s   to select a new units file. The data in your job file is immediately converted to the new units.





to specify the units file to use at startup.

37))  Units File Dialog Box  (on  (on page  page 37 Whatt do you w ant to do? Wha  

36))  Create a new units file (on page  page 36

 

Edit an existing units file (on page 37) page 37)  





Create Crea te a new new uni ts f il ile e 1.

On the Tools  tab, click Create/Review Units  

.

The units file dialog box displays. Constant has a default value of 1 for each type of unit.

2.

Do o one ne of the following following for each type type of unit:  

Select defined values for Constant or User Unit .

 

Type values for or Constant and User Unit .





3.

Click Save and and Exi t  

.

The Save As dialog As  dialog box displays.

36

CodeCalc User's Guide

 

 

Tabs 4.

Select a folder path and type a file name.

5.

Click Save. The Save As dialog As  dialog box and the Units the  Units File dialog File dialog box close.

Edit an an existing uni ts fil e 1.

On the Tools tab > click Create/Review Units   The units file dialog box displays.

2.

Click Open  

.

.

The Open Open dialog  dialog box displays.

3.

Select an e existing xisting ..fil fil units units file and click Open .

4.

Change unit types as needed by doing one of the following:  

Select defined values for Constant or User Unit .

 

Type values for or Constant and User Unit .





5.

Click Save and and Exi t  

.

The Save As dialog As  dialog box displays.

6.

Select a folder path and type a file name. You can also use tthe he same file name to replace the open file with the new unit values.

7.

Click Save. The Save As and As  and Units File dialog boxes close.

Units File Dialog Dialog Box Specifies units and constants for a units file. Name - Displays the type of unit, such as Length , Ar  Area ea, or Pressure. System Unit  - Displays the m ultiplier for conversions, such as feet , sq-inches , and psig . default system unit used as a multiplier Constant - Select a defined conversion con version constant used as a multiplier for f or conversions, or type your own value. User Unit  - Select a defined unit for the conversion from the drop-down, or click in the box and type your own unit.

 

If you select a defined Constant , the software changes User Unit  to the correct unit. If you select a defined User Unit , the software changes Constant to the correct value.

 

If you type your own value for Constant and User Unit , you must manually ensure that the combination provides the needed conversion.





CodeCalc User's Guide

37

 

Tabs

Open  - Open an existing units file for editing. Save - Saves the units file. Save and and Exi t  - Saves the units file and closes the dialog box. Help - Opens the help.

Material Database Editor The Material Database Editor utility allows you to add custom materials to a delivered ASME, PD:5500, or EN-13445 material database for use with PV Elite or CodeCalc. For a YouTube demonstration, visit: http://www.youtube.com/watch?v=GEtIRO4PwCw. http://www.youtube.com/watch?v=GEtIRO4PwCw. While the video is centered around PV Elite, it works much the same way in CodeCalc. The utility is available from:  

Tools > Edit/Add Materials  

 

MatEdit.exe , found in the [Program Folder]\Intergraph CAS\PV Elite\[Release Number] 





folder When you use this utility, material database files fil es with the .bin extension are created in the [Program Folder]\Intergraph CAS\PV Elite\[Release Number]\System folder. These files contain only the custom materials you have added. The T he custom materials can then be merged into the main material databases.

 

The delivered databases contain allowed material for the current codes. You You typically typically only add custom material if you are required to use an outdated material, or need to ad add d material from a different code.

 

Have the appropriate code a available vailable when adding new material. material. You You will enter code-based material properties such as Chart Data, Material Band, and S Factor. The properties needed vary with the database that you are editing.





40))  page 40  Ma  M ateria riall Prop Propert rtie iess (on page  Whatt do you w ant to do? Wha  

Create a new custom material (on page  page 39) 39) 

 

Create a custom material based on an existing material (on page 39) page 39)  





38

CodeCalc User's Guide

 

 

Tabs

Create Crea te a new custom cust om m aterial 1.

Click Tools > Edit/Add Materials and select the ASME , PD:5500, or  EN-13445  EN-13445 material database.

2.

Click Ad  Add d 

.

 A new row named New Material appears in the grid of the Material Database view Database view in the right pane.

3.

In the Mate Material rial Properties  view in the left pane, type values for the new material.  As you type values, check the the Stress vs. Temperature graph in the right pane. Stress must not increase as temperature decreases.

4.

Repeat tthese hese steps for each new material that you want to add.

5.

Click Save 

6.

Click Merge

to save the new material to a user database file. to add the user database to the material m aterial database of the software.

 After merging, the custom material now appears a att the bottom of the material database list for any command using the material database in PV Elite or CodeCalc.

Create Crea te a cus custom tom m material aterial based on an e exis xis tin g material 1.

Click Tools > Edit/Add Materials and select the ASME , PD:5500, or  EN-13445  EN-13445 material database.

2.

Click Edit  

.

The contents of the software database appear in the grid of the Material Database view Database view in the right pane.

3.

Select a material for the Material Database grid.

4.

Click Select

and click Yes on the confirmation dialog box.

The copied material appears in a new row in the grid of the Ma Materi teri al Database view. Database view.

5.

In the Mate Material rial Properties  view in the left pane, type new values as needed.

 

You must change Material Name so that the name is unique in the user database and in the material database after merging.

 

As you type values, check the Stress vs. Temperature graph in the right pane. Stress must not increase as temperature decreases.





6.

Click Save 

7.

Click Merge

CodeCalc User's Guide

to save the new material to a user database file. to add the user database to the material m aterial database of the software.

39

 

Tabs  After merging, the custom material now appears a att the bottom of the material database list for any command using the material database in PV Elite or CodeCalc.

Material Ma terial Prop Properties erties The following code-based values are typically used as material properties. Material Name - Type an allowed external pressure chart name. The software uses the chart name to calculate the B value for all external pressure and buckling calculations. If you type a valid value for Material Name, the software will look into its database and determine the external pressure chart name for this material and enter it into this cell. The program will also determine this chart name when you select a material name from the material selection window. The following are the allowed all owed external pressure chart names: Carbon Steel CS-1

Carbon and Low Alloy Sy30000

CS-3

Carbon and Low Alloy Sy3/4)

NFN-20

Work Hardened Nickel

NFT-1

Unalloyed Titanium, Grade 1

NFT-2

Unalloyed Titanium, Grade 2

NFT-3

Titanium, Grade 1

NFZ-1

Zirconium, Alloy 702

NFZ-2

Zirconium, Alloy 705

Elastic Modul us Reference # The elastic modulus reference number is a value that points to or corresponds to a set of data set forth in ASME Section II Part D, tables TM-1, 2 and so on. Unfortunately, many materials have a composition or UNS number that does not match the criteria of what is supplied in the

42

CodeCalc User's Guide

 

 

Tabs  ASME Code. In these cases, the the reference number will be brought brought in as zero. If tthis his happens, you will need to enter in an appropriate value. Reference Number

Table

De Descrip scrip tion/UNS Number

1

TM-1

Carbon Steels with C 0.3%

3

TM-1

Material Group A

4

TM-1

Material Group B

5

TM-1

Material Group C

6

TM-1

Material Group D

7

TM-1

Material Group E

8

TM-1

Material Group F

9

TM-1

Material Group G

10

TM-1

S13800

11

TM-1

S15500

12

TM-1

S45000

13

TM-1

S17400

14

TM-1

S17700

15

TM-1

S66286

16

TM-2

A03560

17

TM-2

A95083

18

TM-2

A95086

19

TM-2

A95456

20

TM-2

A24430

21

TM-2

A91060

22

TM-2

A91100

CodeCalc User's Guide

43

 

Tabs

44

Reference Number

Table

De Descrip scrip tion/UNS Number

23

TM-2

A93003

24

TM-2

A93004

25

TM-2

A96061

26

TM-2

A96063

27

TM-2

A92014

28

TM-2

A92024

29

TM-2

A95052

30

TM-2

A95154

31

TM-2

A95254

32

TM-2

A95454

33

TM-2

A95652

34

TM-3

C93700

35

TM-3

C83600

36

TM-3

C92200

37

TM-3

C92200

38

TM-3

C28000

39

TM-3

C28000

40

TM-3

C65500

41

TM-3

C66100

42

TM-3

C95200

43

TM-3

C95400

44

TM-3

C44300

45

TM-3

C44400

CodeCalc User's Guide

 

 

Tabs Reference Number

Table

De Descrip scrip tion/UNS Number

46

TM-3

C44500

47

TM-3

C64200

48

TM-3

C68700

49

TM-3

C10200

50

TM-3

C10400

51

TM-3

C10500

52

TM-3

C10700

53

TM-3

C11000

54

TM-3

C12000

55

TM-3

C12200

56

TM-3

C12300

57

TM-3

C12500

58

TM-3

C14200

59

TM-3

C23000

60

TM-3

C61000

61

TM-3

C61400

62

TM-3

C65100

63

TM-3

C70400

64

TM-3

C19400

65

TM-3

C60800

66

TM-3

C63000

67

TM-3

C70600

68

TM-3

C97600

CodeCalc User's Guide

45

 

Tabs

46

Reference Number

Table

De Descrip scrip tion/UNS Number

69

TM-3

C71000

70

TM-3

C71500

71

TM-4

N02200

72

TM-4

N02201

73

TM-4

N04400

74

TM-4

N04405

75

TM-4

N06002

76

TM-4

N06007

77

TM-4

N06022

78

TM-4

N06030

79

TM-4

N06045

80

TM-4

N06059

81

TM-4

N06230

82

TM-4

N06455

83

TM-4

N06600

84

TM-4

N06617

85

TM-4

N06625

86

TM-4

N06690

87

TM-4

N07718

88

TM-4

N07750

89

TM-4

N08020

90

TM-4

N08031

91

TM-4

N08330

CodeCalc User's Guide

 

 

Tabs Reference Number

Table

De Descrip scrip tion/UNS Number

92

TM-4

N08800

93

TM-4

N08801

94

TM-4

N08810

95

TM-4

N08825

96

TM-4

N10001

97

TM-4

N10003

98

TM-4

N10242

99

TM-4

N10276

100

TM-4

N10629

101

TM-4

N10665

102

TM-4

N10675

103

TM-4

N12160

104

TM-4

R20033

105

TM-5

R50250

106

TM-5

R50400

107

TM-5

R50550

108

TM-5

R52400

109

TM-5

R56320

110

TM-5

R52250

111

TM-5

R53400

112

TM-5

R52402

113

TM-5

R52252

114

TM-5

R52404

CodeCalc User's Guide

47

 

Tabs Reference Number

Table

De Descrip scrip tion/UNS Number

115

TM-5

R52254

116

TM-5

R60702

117

TM-5

R60705

118

TM-1

12Cr-13Cr Group F

119

TM-1

20+Cr Material Group G

220

TEMA

Ni-Mo Alloy B

221

TEMA

Tantalum

222

TEMA

Tantalum with 2.5% Tungsten

223

TEMA

7 MO (S32900)

224

TEMA

7 MO PLUS (S32950)

225

TEMA

17-19 CR Stn Steel

226

TEMA

AL-6XN Stn Steel (NO8367)

227

TEMA

AL-29-4-2

228

TEMA

SEA-CURE

229

TEMA

2205 (S31803)

230

TEMA

3RE60 (S31500)

Thermal Expansion Coeffi cient Reference #

48

Reference Number

Table

De Descrip scrip tion/UNS Number

1

TE-1

Carbon & Low Alloy Steels, Group 1

2

TE-1

Low Alloy Steels, Group 2

3

TE-1

5Cr-1Mo and 29Cr-7Ni-2Mo-N Steels

CodeCalc User's Guide

 

 

Tabs Reference Number

Table

De Descrip scrip tion/UNS Number

4

TE-1

9Cr-1Mo

5

TE-1

5Ni-¼4Mo

6

TE-1

8Ni and 9Ni

7

TE-1

12Cr,13Cr and 13Cr-4Ni Steels

8

TE-1

15Cr and 17Cr Steels

9

TE-1

27Cr Steels

10

TE-1

Austenitic Group 3 Steels

11

TE-1

Austenitic Group 4 Steels

12

TE-1

Ductile Cast Iron

13

TE-1

17Cr-4Ni-4Cu, Condition 1075

14

TE-1

17Cr-4Ni-4Cu, Condition 1150

15

TE-2

Aluminum Alloys

16

TE-3

Copper Alloys C1XXXX Series

17

TE-3

Bronze Alloys

18

TE-3

Brass Alloys

19

TE-3

70Cu-30Ni

20

TE-3

90Cu-10Ni

21

TE-4

N02200 and N02201

22

TE-4

N04400 and N04405

23

TE-4

N06002

24

TE-4

N06007

25

TE-4

N06022

26

TE-4

N06030

CodeCalc User's Guide

49

 

Tabs

50

Reference Number

Table

De Descrip scrip tion/UNS Number

27

TE-4

N06045

28

TE-4

N06059

29

TE-4

N06230

30

TE-4

N06455

31

TE-4

N06600

32

TE-4

N06625

33

TE-4

N06690

34

TE-4

N07718

35

TE-4

N07750

36

TE-4

N08031

37

TE-4

N08330

38

TE-4

N08800,N08801,N08810,N08811

39

TE-4

N08825

40

TE-4

N10001

41

TE-4

N10003

42

TE-4

N10242

43

TE-4

N10276

44

TE-4

N10629

45

TE-4

N10665

46

TE-4

N10675

47

TE-4

N12160

48

TE-4

R20033

49

TE-5

Titanium Gr 1,2,3,7,11,12,16 and 17

CodeCalc User's Guide

 

 

Tabs Reference Number

Table

De Descrip scrip tion/UNS Number

50

TE-5

Titanium Grade 9

51

TEMA

5Cr-1/2Mo

52

TEMA

7Cr-1/2Mo & 9Cr-1Mo

53

TEMA

Ni-Mo (Alloy B)

54

TEMA

Nickel (Alloy 200)

55

TEMA

Copper-Silicon

56

TEMA

Admiralty

57

TEMA

Zirconium

58

TEMA

Cr-Ni-Fe-Mo-Cu-Cb (Alloy 20Cb)

59

TEMA

Tantalum

60

TEMA

Tantalum with 2.5% Tungsten

61

TEMA

17-19 CR (TP 439)

62

TEMA

AL-6XN

63

TEMA

2205 (S31803)

64

TEMA

3RE60 (S31500)

65

TEMA

7 MO (S32900)

66

TEMA

7 MO PLUS (S32950)

67

TEMA

AL 29-4-2

68

TEMA

SEA-CURE

69

TEMA

80-20 Cu-Ni (C71000)

Minimum Thickn ess ((in.) in.) - Type the minimum allowable thickness for the material. If the material has no minimum thickness, type -1.

maxim um allowable thickness for the material. If the Maximum Thickness (in.) - Type the maximum material has no maximum thickness, type -1.

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51

 

Tabs Creep Temperatur e (F) - Type the temperature at which the material is governed by time dependent properties. MDMT Exemption Temperature (F) - When the material uses an impact tested product specification, type the impact temperature. Otherwise, type 1.

Product Form Type an integer that designates the product form of the material.

52

Form Value

Product Form

1

Plate

2

Forgings

3

Seamless pipe

4

Welded pipe

5

Welded tube

6

Seamless tube

7

Bolting

8

Castings

9

Fittings

10

Seamless/welded pipe

11

Seamless/welded tube

12

reserved

13

Seamless pipe and tube

14

Pipe

15

Bar

16

Sheet

17

Tube

18

Forged pipe

19

Seamless/welded fitting

CodeCalc User's Guide

 

 

Tabs 20

Drawn seamless tube

21

Condenser & heat exchanger tubes

22

Seamless extruded tube

23

Rod

24

Seamless and welded fittings

25

Welded fittings

26

Seamless fittings

27

Finned tube

28

Seamless U-bend tube

29

Welded condenser tube

Impact Reduction Temperature Temperature (F) - When the material is eligible for a -5ºF temperature reduction according to UCS-66(g), type -5. Otherwise, type 0. 

Material Mate rial Band B and The material band is used to determine the modulus of elasticity and coefficient of thermal expansion for that type of material. Material Band

Basic Material Type/composition

M0

Carbon steel

M1

Carbon manganese steel

M2

Carbon molybdenum steel

M4

Low alloy MG Cr Mo V steel

M5

3.5Ni

M6

9Ni

M7

1-1.5Cr .5Mo

M8

.5Cr .5Mo .25V

M9

2.25Cr 1Mo

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53

 

Tabs

54

M10

5Cr .5Mo

M11

9Cr1Mo

M12

12Cr1Mo1V

CodeCalc User's Guide

 

 

Tabs

Diagnost iagnostics ics Ta Tab b The Diagnostics  tab contains commands for troubleshooting installation problems: CRC Check  - Performs a cyclic redundancy check on each of the delivered software dynamic link library (dll) files and checks that the files are correctly copied to the hard drive dr ive of your computer. Use this command if your software is behaving erratically. Build Version Check  - Checks the software build version of each executable file. See the Intergraph web site  www.coade.com/fpvelite.htm  for the latest build information. Error Re Review view  - Reviews errors that may have been generated at startup or during program execution. DLL Version Check  - Checks that the delivered software dll files are current. Dlls of the incorrect version can cause the software to run incorrectly.

ESL Tab The following commands are available on the Esl (External Software Lock) tab. Show Data - Displays the encrypted data on your external software lock (ESL) key that allo allows ws you to check the status of the device. The T he data can also be sa saved ved to a log file. This information is useful for updating the software and for remaining current with your Intergraph license.  Ac ces s Co des  -Creates access codes needed to update the ESL when a new version of the software has been released.  Au th or izat io n Co des  - Allows ESL update codes to be entered. Check HASP - See Admin Control Center. Install HASP - See Admin Control Center.  Ad mi n Co nt ro l Cen ter  - Displays all information related to the HASP Driver. The Sentinel Keys  option shows all available keys, whether local or on the network. The  Ac ces s L og option displays all instances of a license being used on the network key on the host computer.

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Tabs

56

CodeCalc User's Guide

 

 

CodeCalc User's Guide

Tabs

57

 

 

SECTION 4

Shell hells s and He Hea ads Home tab: Components  > Ad d New Shel l/Head  

Performs internal and external pressure design of vessel and a nd exchanger components using the rules in the ASME Code, Section S ection VIII, Division 1, 2010 Edition. This T his program considers static liquid head in the pressure design, performs stiffening ring calculations, sizes stiffening rings, and computes weld shear flows on stiffening ring welds. Jackets can be attached to the vessel and are analyzed per Appendix 9 of ASME Sec. VIII Div. 1 code. This module also contains information for performing fitness for service evaluation per API-579.

Purpose, se, Scope and and Technical Techni cal Basis (Shell (Shells) s) Purpo This module calculates the required thickness and maximum allowable working pressure (MAWP) for cylindrical shells and heads under internal or external pressure. The program is based on the ASME Boiler and Pressure Vessel Code, Section VIII, Division 1, 2010 Edition 2004 A-06. Under internal pressure, the program analyzes anal yzes six types of heads or shells, s hells, using applicable code formulae as follows: Shell or Hea Head d Type

ID Basis

OD Basis

Cylinder

UG-27 (c) (1)

App 1-1 (a) (1)

Elliptical

App 1-4 (c) (1), App 1-4 (f) App 1-4 (c) (2), App 1-4 (f)

Torispherical

App 1-4 (d) (3), App 1-4 (f) App 1-4 (d) (4), App 1-4 (f)

Spherical Head or Shell

UG-27 (d) (3)

App 1-1 (a) (2)

Conical Head or Shell

UG-32 (g)

App 1-4 (e) (1)

Flat Head

UG-34 (1)and (3)

Elliptical heads with aspect ratios between 1.0 and 3.0 (typically 2.0) may ma y be analyzed. Torispherical heads with knuckle radii between 6% and 100% of the crown radius may be analyzed. The thin, large diameter elliptical or torispherical head is also checked using App. 1-4 (f). Conical heads and sections with half apex angles up to 30 degrees may be analyzed. Reinforcement at the large and small ends of the cone should be analyzed in the CONICAL program. Welded flat heads, circular or non-circular, are analyzed in this program. Bolted flat heads are analyzed in the FLANGE program. Bolted dished heads under internal i nternal or external pressure are analyzed in the FLOHEAD program. Under external pressure program analyzes five types of heads or shells, using applicable code formula as follows:

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59

 

Shells and Heads Shell or Hea Head d Type

Code Paragraph

Cylinder

UG-28 (c)

Elliptical

UG-33 (d)

Torispherical

UG-33 (e)

Spherical Head or Shell

UG-33 (c) and UG-28 (d)

Conical Shell or Head

UG-33 (f)

 All of these shell or head types are are analyzed for diameter tto o thickness ratios greater than than 10. Elliptical heads with aspect ratios between 1.0 and 3.0 may be analyzed. Torispherical heads with any crown radius may ma y be analyzed. Reinforcement at the large and small sm all end of conical heads or sections is analyzed in the CONICAL program.

60

CodeCalc User's Guide

 

 

Shells and Heads The SHELL program takes full account of corrosion allowance. You enter actual thick thickness ness and corrosion allowance, and the program adjusts thicknesses and diameters when making calculations for the corroded condition. Geometry is shown below. In addition, this module m odule also accounts for static liquid head for shell components. For carbon steel vessels, normalized material can be used for UCS-66 calculations.

Figure 1: Shell Geometry

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61

 

Shells and Heads Figure 2: Head Geometry

Intt r o d u c t i o n  API 579 In Fitness For Service (FFS) assessments using API Recommended Practice 579 (API RP 579) are performed to assess the operation safety and reliability of process plant equipment, such as pressure vessels, piping, and/or tanks - for some desired future period. The assessment procedure provides an estimate of the remaining strength of the equipment equi pment in its current state, which may become degraded while in-use from its original condition. Typical FFS assessments entail:  

Identifying the flaw type and damage mechanism.

 

Considering the applicability and limitations of the specific flaw type procedure.

 

Reviewing data requirement and gathering the data.

 

Applying the assessment techniques and comparing the result result to to the acceptance criteria.

 

Estimating the remaining life for the inspection interval.

 

Applying remediation as appropriate.

 

Applying in-service monitoring as appropriate.

 

Documenting the results.

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Common degradation mechanisms include general corrosion, localized corrosion, c orrosion, pitting corrosion, blister, mechanical distortion, and so on. The procedures on how to assess these common degradations or flaws are discussed in the sections described in the Table of Contents for API RP 579 and listed below:  

Section 1 – Introduction

 

Section 2 – Fitness-For-Service Engineering Assessment Procedure

 

Section 3 – Assessment of Equipment for Brittle Fracture

 

Section 4 – Assessment of General Metal Loss

 

Section 5 – Assessment of Local Metal Loss

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Section 6 – Assessment of Pitting Corrosion

 

Section 7 – Assessment of Blisters and Laminations

 

Section 8 – Assessment of Weld Misalignment and Shell Distortions

 

Section 9 – Assessment of Crack-Like Flaws

 

Section 10 – Assessment of Component Operating in the Creep Regimes

 

Section 11 – Assessment of Fire Damage

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CodeCalc User's Guide

 

 

Shells and Heads

Purpose, Purpos e, Scope, and and Technic al Basis CodeCalc supports the following flaw assessments for cylindrical shells, simple cones, and formed heads:  

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Section 4, General Metal Loss. Section 5, Local Metal Loss. Section 6, Pitting Corrosion.

There are three levels of assessments available for f or each flaw type.  

Level 1 - Typically involves a simplified method using char charts, ts, simple for formulae, mulae, and conservative assumptions.

 

Level 2 - Generally Generally requires a more detailed evaluation and produce more accurate accurate results results

 

Level 3 - Allows flaw assessments using a more soph sophisticated isticated method such as FEA.

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CodeCalc provides only Level 1 and Level 2 assessments. In each assessment level, the t he respective remaining life or the de-rate value of MAWP is calculated depending on passing or failing acceptance criteria. Section 4 covers flaw assessment procedures for components subject to general metal loss resulting from corrosion and/or erosion. Meanwhile Section 5 covers the analysis of local metal m etal loss or Local Thin Areas (LTAs), which include groove-like flaws or gouges. In general, flaw assessments using Section 4 criteria produce more conservative results. The differences between Section 4 and 5 when applied to LTAs are as follows:  

Section 4 - Rules for all Level 1 and 2 assessments a are re based on the Average Thickness  Averaging approach, which is combined with with the ASME Code rules to determine the acceptability for continued operation.

 

Section 5 - Rules for all Level 1 and Level 2 assessments are based on establishing a Remaining Strength Factor (RSF), which is used to determine the acceptability for continued operation.

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The Assessment of General Metal Loss described in Section 4 can be performed using either point thickness (random type readings) or profile thickness (grid type t ype readings) measurement data. API RP 579 requires a minimum m inimum of 15 data measurement points be used for the analysis. The localized metal loss assessment (described in Section 5), can only be p performed erformed using profile thickness data according to a grid setup as shown in Figure F igure 10.3. Two data entry types are provided in the Profile Type selection list; Grid and Critical Thickness Profile (CTP). The number of rows and columns are set by b y entering the number of points in both the circumferential and longitudinal directions.

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63

 

Shells and Heads The total number of data inputs provided are 256 for both point and profile thickness data measurements.

Figure 3: Profile Thickness Inspection Planes

For most evaluations, it is recommended to first perform the assessment using Section 4, then perform Section 5 if necessary. The rules in Section 4 have been structured to provide consistent results with Section 5. However, it is the responsibility of the user tto o review the  Assessment Applicability and Limitation whenever the assessment changes.  API 579 Section 4 limitations for Level Level 1 and Level 2 assessments are as follows:  

The original design is in accordance with a recognized cod code e or standard.

 

The component is not operating in the creep range.

 

The region of metal loss h has as relatively relatively smooth contours without notches.

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The co component mponent is n not ot in cyclic service service (less (less than than 150 total cycles). The component under evaluation does not contain crack-like flaws.

 

The co component mponent under evaluation has a design design equ equation, ation, which which sp specifically ecifically relates relates pressure pressure and/or other loads, as applicable, to a required wall thickness.

 

With some exception, the following specific components do not have equations relating pressure and/or other loads to a required wall thickness may be evaluated using Level 2 assessments:

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Pressure vessel nozzles and piping branch connections.

 

Cylinder to flat head junctions.

 

Integral tubesheet connections

 

Flanges

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CodeCalc User's Guide

 

 

Shells and Heads  

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Piping systems.

Currently, CodeCalc does not support API 579 analysis on nozzle, flange, tubesheet, flathead, and piping system components. The following limitations on applied loads are satisfied  

Level 1 assessment - Co Components mponents are subject to internal and/or external pressure

 

(negligible supplemental loads). Level 2 assessment - Compo Components nents ar are e subject to inter internal nal and/or external pressure pressure and/or supplemental loads such as weight, wind and earthquake.

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Limitations for API 579 Section 5 Level L evel 1 and Level 2 assessments are similar to the limitations for Section 4 with the following additions:  

The component components s cannot be subjected to external pressure, or if the flaw is located in the knuckle region of elliptical head h ead (outside of the 0.8D region), torispherical/toriconical head, or conical transition.

 

The material component is co considered nsidered to have sufficient material toughness.

 

Special provisions are provided for groove-like flaws such as:

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Groove (no mechanical cold work).

 

Gouge (mechanical cold work).

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For more details, refer to Section 4 and Section 5 in the API Recommended Practice 579. Section 6 covers flaw assessment procedures for components that are subjected to pitting damages as described below:  

Widespread Pitting.

 

Localized Pitting.

 

Region of Local Metal Loss Located in an Area of Widespread Pitting.

 

Pitting Confined within a Region of Localized Metal Loss.

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Pitting damage can occur on the inside, ins ide, outside, or both sides of the component surfaces. For components with pittings on both surfaces, be sure to indicate the location of each pit-couple in the data entry table. Pitting damage is described using pit-couples, each is com composed posed of two pits that are separated by a solid ligament. l igament. The procedure for determining pit-couples is described in the API 579 paragraph 6.3.3.3. A representative number of pit couples measurements in the damage area should be used. If the pit flaw is uniform then a minimum of 10 pit-couple measurements should be used. For non-uniform pit flaw, additional pit-couple measurements are required. CodeCalc can analyze up to 36 pit-couples measurements. The limitations for API 579 Section 6 Level 1 and Level 2 assessments are similar to the limitations for Section 5 Level 1 and Level 2 assessments. For more details, refer to API RP 579 Section 6.

CodeCalc User's Guide

65

 

Shells and Heads

Discussio n of Results Results (Shells) (Shells)  An effort has been made to use the same var variable iable names and reporting formats as are used in the API Recommended Practice 579 book.  A summary at the end of the analysis of each level is written. written. Depending on the pass or fail criteria, either the remaining life using the thickness (or MAWP) approach is computed or a de-rating MAWP is printed.  As suggested in the API Recommended Recommended Practice 579 book, the following, o orr combinations thereof can be considered when the component does d oes not meet the Level 2 Assessment requirements:  

Re-rate, repair, and retire the component.

 

Adjust the FCA by applying remediation techniques.

 

Adjust the weld joint efficiency factor, E, by conducting additional examinations and repeat the assessment.

 

Conduct a Level 3 assessment.

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Shells Shells/H /Hea eads ds Ta Tab b Specifies parameters for shell and head design. Item Number   - Enter an ID number for the item. This can be the item number on the drawing, or numbers that start at 1 and increase sequentially. Description  - Enter an alpha-numeric description for this item. This entry is optional, but strongly encouraged for organizational and support purposes.  An alys al ysis is Typ e - Specifies the analysis type:

 

ASME Sec VIII Div. 1

 

API 579 - Fitness for Service

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Design Design Internal Pressure - Enter the internal design pressure. You must define either the design pressure or the minimum metal thickness, p preferably referably both. Design pressure is used to

determine the required thickness and minimum metal thickness is used to determine the Maximum Allowable Working Pressure. Design Design Temperature Temperature for Internal Pressure - Enter the temperature associated with the internal design pressure. The software automatically updates materials properties for BUILT-IN BUILT -IN materials when you change the design temperature. If you entered the allowable stresses by hand, you are responsible to update them for the given temperature. Design Design External Pressure - Enter the design pressure for external pressure analysis. a nalysis. This should be a positive value, such as 14.7 psig. If you enter enter a zero in this field the program does not perform external pressure calculations. 0.00 - No external calculation. 14.7 - Full vacuum calculation. Design Design Temperature Temperature for External Pressure -Enter the temperature associated with the external design pressure. The design ext external ernal pressure at this temperature is a completely

66

CodeCalc User's Guide

 

 

Shells and Heads different design case than the internal pressure pressure case. Therefore this temperature may be different than the temperature for internal pressur pressure. e. Many external pressure charts have have both lower and upper limits on temperature temperature.. If your design design temperature iis s below the lower limit, use the lower limit as your entry to the p program. rogram. If your temperature is above the upper limit, the component may not be designed for vacuum conditions. Shell Section Material - Specify the material name as it appears in the material specification of

the appropriate code. to open the Material Database Dialog Box  (on page 437) page 437).. 1. Click The software displays the Material Database dialog box, which displays read-only information about the selected material.

2.

Select tthe he material that y you ou want to use from the list. The software displays the material properties.

3.

 

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Click Select  to use the material, or click Back  to select a different diff erent material.

Alternatively, you can type the material material name as it appears in the material specification. If you type in the name, the software s oftware retrieves the first material it finds in the m material aterial database with a matching name.

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  To modify material properties, go to the Tools  tab and select Edit/Add Materials . Joint Efficiency, Longitudinal Seams  - Enter the efficiency of the welded joint for shell sections with welded seams. This will be the efficiency of the longitudinal seam in a cylindrical shell or any seam in a spherical shell. Elliptical and torispherical heads are typically seamless but may require a stress reduction which may ma y be entered as a joint efficiency. See Section VIII, Div. 1, Table UW-12 for help in determining this value.  

1.00 - Full Radiography

 

0.85 - Spot X-ray

 

0.70 - No radiography

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The joint efficiency in this (and ( and all other) ASME Code formulas is a measure of the inspection quality on the weld seam. In general, weld seams that receive full radiography have a joint efficiency of 1.0. Weld seams that receive spot radiography have a joint efficiency of 0.85. Weld seams that receive no radiography have a joint j oint efficiency of 0.7. Seamless components have a  joint efficiency of 1.0. In addition to the basic rules described above, the Code requires that no two seams in the same vessel differ in joint efficiency by b y more than one category of radiography. For example, if circumferential seams receive no radiography (E=0.7) then longitudinal seams have a maximum E of 0.85, even if they receive full radiography. The practical outworking of this is that circumferential seams, which are usually less highly highl y stressed, may be spot radiographed (E=0.85) while longitudinal seams are fully radiographed. This provides the same metal thickness at some savings in inspection costs. Include Hydrostatic Head Components?  - If your shell or head design needs to account for hydrostatic liquid head, select this box. CodeCalc  adds the hydrostatic pressure head to the internal design pressure for the required thickness calculation. Operating Liquid Density  - Enter the density of the operating fluid. This value is multiplied by the height of the liquid column in order to compute the static head pressure.

CodeCalc User's Guide

67

 

Shells and Heads You can enter a number of specific gravity units and CodeCalc converts the number n umber to the current set of units. To do this, enter a number followed by the letters sg . Typical specific gravities and densities are shown below in lbs/ft^3. Convert the densities to your units.

68

Name Name

Specific Gravity

Density Density (lb/ft^ 3)

Ethane

0.3564

22.23

Propane

0.5077

31.66

N-butane

0.5844

36.44

Iso-butane

0.5631

35.11

N-Pentane

0.6310

39.35

Iso-Pentane

0.6247

38.96

N-hexane

0.6640

41.41

2-methypentane

0.6579

41.03

3-methylpentane

0.6689

41.71

2,2-dimethylbutane

0.6540

40.78

2,3-dimethylbutane

0.6664

41.56

N-heptane

0.6882

42.92

2-methylheptane

0.6830

42.59

3-methylheptane

0.6917

43.13

2,2-dimethylpentane

0.6782

42.29

2,4-dimethylpentane

0.6773

42.24

1,1-dimethylcyclopentane

0.7592

47.34

N-octane

0.7068

44.08

Cyclopentane

0.7504

46.79

Methylcyclopentane

0.7536

46.99

Cyclohexane

0.7834

48.85

CodeCalc User's Guide

 

 

Shells and Heads Methylcyclohexane

0.7740

48.27

Benzene

0.8844

55.15

Toluene

0.8718

54.37

 Alcohol

0.7900

49.26

 Ammonia

0.8900

55.50

Benzine

0.6900

43.03

Gasoline

0.7000

43.65

Kerosene

0.8000

49.89

Mineral Oil

0.9200

57.37

Petroleum Oil

0.8200

51.14

Water

1.0

62.4

Height Height of Li quid Column (Operating) - Enter the distance from the bottom of this shell or head element to the surface of the liquid. The T he head pressure is determined by multiplying m ultiplying the liquid density by the height of the fluid to the point of interest.

f rom the bottom of this shell or head Height of Liquid Column (Hydrotest) - Enter the distance from element to the surface of the liquid when the vessel is being hydrotested. If this is shop hydrotest, and the vessel is laying on its side, then the height of the liquid column should be equal to the inside diameter diam eter of the vessel. In the case of a vertical hydrotest, this liquid height can be greater than the vessel diameter. d iameter.

Geom ometr etry y Tab (Shell/H (Shell /Hea ead) d) Ge Specifies parameters for shell and head geometry. Type of Shell  - Enter the type of shell for this shell section:

 

Cylindrical  

 

Elliptical

 

Torispherical

 

He Hemisph misph erical Head Head or Spherical Shell  

 

Conical  

 

Flat Head  

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Specific parameters for the selected shell type display. displa y. Design Design Length of Section  - Enter the design length len gth of the section, typically the length of the vessel plus one-third the depth of the heads he ads or, alternately, the distance between stiffening rings. For a vessel with 2 elliptical heads and no intermediate stiffeners, the design length is the

CodeCalc User's Guide

69

 

Shells and Heads tangent length plus the diameter/6. For a vessel with 2 spherical heads and no intermediate stiffeners, the design length is the tangent length plus p lus the diameter/3. For a vessel with 2 flanged and dished heads and no intermediate stiffeners, the design length is the tangent length plus the diameter/9. When analyzing a head, enter zero for the length. Design Design Length f or Cylind er Volume Volume Calculations  - Enter the distance that you want CodeCalc to use for the liquid volume computation. Half Half Apex Angl e for Conical Section Section s  - Enter the half-apex angle for cones or conical sections. The maximum value of the half apex angle for cones under internal pressure and without toriconical transitions or discontinuity stress check is 30 degrees. The largest angle for cones under internal pressure and with toriconical sections or discontinuity stress check is 60 degrees. Typically the largest angle for cones under external pressure is 60 degrees. If you exceed these values the program will run, but with a warning. In that case the user is encouraged to use the CONICAL module for a more detailed analysis.  As pec t Rati R ati o f or Ell ip ti cal Heads  - Enter the aspect ratio for the elliptical head. The aspect ratio is the ratio of the major axis to the minor axis for the ellipse. For a standard 2:1 elliptical head the aspect ratio is 2.0. Inside Crown Radius for Torispherical Heads Heads  - Enter the crown radius for torispherical heads. The crown radius for a torispherical head h ead is referred to as the dimension dim ension "L", in the ASME VIII Div. 1 Code.

This dimension is usually referred to as "DR" in many head catalogs. Even though the head catalogs list these heads as being "OD" heads, the crown radius is given on the inside diameter basis. See the illustration in the catalog and where the arrows for "DR" and "IKR" point to (the inside of the head). For more information, see Appendix Appendi x 1-4 in the Code. Inside Knuckle Radius for Torispherical Heads - Enter the knuckle radius r for torispherical heads, according to ASME Section VIII Div. 1. 1 . This dimension is usually usuall y referred to as IKR in many head catalogs. Even though the head catalogs list these heads as being OD heads, the knuckle radius is given on the inside diameter basis. See the illustration in the catalog and where the arrows for DR and IKR point to (the inside of the head). For more information, see  Appendix 1-4 in the Code. Length of Straight Flange  - The straight flange is the cylindrical portion of a torispherical (dished) or elliptical head. This dimension is used to compute the overall volume of the head in the new, cold, and corroded condition, as well as the weight of the head. This dimension does not affect the required thickness calculation.  At tacASME hm entCode, Fact orSection fo r Fl at Head  - Enter flat headUG-34, attachment calculated or selected from VIII, Division 1, the Paragraph Figurefactor, UG-34. Some typical attachment factors display below, however consult Paragraph UG-34 before using these values:

70

0.17 (b-1)

Head welded to vessel with generous radius

0.20 (b-2)

Head welded to vessel with small radius

0.20 (c)

Lap welded or brazed construction

0.13 (d)

Integral flat circular heads

0.20 (e f g)

Plate welded inside vessel (check 0.33*m)

0.33 (h)

Plate welded to end of shell

CodeCalc User's Guide

 

 

Shells and Heads 0.20 (I)

Plate welded to end of shell (check 0.33*m)

0.30 (j k)

Bolted flat heads (include bending moment). To compute the required thickness of the bolted flat heads (type j and k), use the Flange module and model it as a blind flange.

0.30 (m (m n o) Plate held in place by screwed ring 0.25 (p)

Bolted flat head with full face gasket

0.75 (q)

Plate screwed into small diameter vessel

0.33 (r s)

Plate held in place by beveled edge

Large Diameter Diameter fo r Nonci rcular Flat Heads Heads  - If you have a noncircular welded flat head, enter the large dimension in this field, and enter the small dimension as the component diameter above. This value is used to compute the factor Z for noncircular heads. If the head is circular, enter the diameter here. Diameter Diame ter Basis  - Select the type of diameter from the list. 

   

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ID - Inside diameter OD - Outside diameter

Torispherical heads should always be specified on the inside diameter basis. Even though the head catalogs refer to these as OD heads, h eads, inspection of the catalog nomenclature reveals that the dimensions listed are inside dimensions. d imensions. Because of this, the inside dimensions from the catalog can be entered directly when the ID basis is specified. Normally, for a torispherical head the inside crown radius is equal to the vessel outside diameter. For flat heads, heads, this value is ignored. Always enter the outside diameter of the flat head. Diameter of Shell /Head /Head  - Enter the diameter of the shell or head. For cones, enter the largest diameter of the cone. For flat heads, use the appropriate diameter per the figure UG-34 in the  ASME Code. The diameter of the the head is usually taken as the inside diameter of the cylindrical shell to which it is attached.

The program allows you to use either an inside diameter (ID) or an outside diameter (OD). Click to select a pipe by nominal pipe diameter and pipe schedule. Pipe Selection   Minimum Thic kness of Pipe or Pla Plate te  - Enter the minimum thickness of the actual plate or pipe used to build the vessel, or the minimum thickness measured for an existing vessel. Many pipe materials have a minimum specified wall thickness, which is 87.5% of the nominal wall thickness. You should enter the minimum thickness.

Some commonly used thicknesses are:  

0.0625 - 1/16 "

 

0.1250 - 1/8 "

 

0.2500 - 14 "

 

0.3750 - 3/8 "

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0.4375 - 7/16 "

 

0.5000 - 1/2 "

 

0.6250 - 5/8 "

 

0.7500 - 3/4 "

 

0.8750 - 7/8 "

 

1.0000 - 1 "

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Nominal Thickness of Pipe or Plate  - (Optional) Enter the NOMINAL or AVERAGE thickness of the actual plate or pipe used u sed to construct the vessel.

This thickness is used to calculate the volume and weight of the metal ONLY if it is between 1 and 1.5 times the minimum thickness. If this value is left blank or 0, the program will use the minimum thickness to compute the weight and volume of this shell element. Corrosion Allowance - Enter the corrosion allowance. allo wance. The program adjusts both the actual thickness and the inside diameter di ameter for the corrosion allowance that you enter. Type of Reinforci Reinforci ng Ring  - Enter the index for f or the type of reinforcing ring on the cylindrical or conical section. Three options are available:

 



None - No additional input required.



  thickness Bar  - Displays Reinforcing Ring - Bar see  dialog  dialog You  (on mustpage 73) enter the of thethe bar. For more information, Barbox. Options page  73). . width and  

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Section  - Displays the Reinforcing Ring - Section Section  dialog box. You must enter the moment of inertia, cross sectional area, and the distance from the shell to the centroid of the beam. In all cases CodeCalc includes the shell in the calculation of the moment of inertia for the stiffening ring. You can only perform this calculation for external pressure calculations. Also, the detailed analysis for the required moment of inertia and cross section area for cones is contained in the separate CONICAL program. For more information, see Section Options  (on page 76) page 76)..

Minimum De Design sign Metal Metal Temperature Temperature  - If this component is a carbon or low alloy steel shell or head, the program will compute its Minimum Minim um Design Metal Temperature (MDMT). The value to be entered in this field is the user-defined MDMT. This value is for  reference  reference only and will not be used by the program.

If this material is not a carbon c arbon steel then enter a zero (0) in this field. If a value of zero is entered, the program will not echo this value out during runtime. Skip UG-16( UG-16(b) b) Minim um Thick ness Calculation?  - Select this option to skip the UG-16(b) calculation. Section UG-16(b) states the minimum thickness for pressure retaining components as 0.0625 in. (1.6 mm). There are certain exemptions from this requirement such as in the case of heat exchanger tubes. Refer to the ASME Section S ection VIII, Division -1, UG-16(b) for more details. Is a Jacket Present (Ap p. 9)? - Check this box if a jacket is present and to activate the Jacket   tab. The program will analyze jackets j ackets according to Appendix-9 of the ASME Sec. VIII Div. 1. For more information, see Jacket Tab (on page 83) page 83)..

The following jacket types are addressed:

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Is the Ring attached to both inner shell and Outer Jacket?  - Specifies whether the ring is attached to both the inner shell and the outer jacket.

Bar Options Options Specifies the parameters for bar reinforcement rings. Width of Reinforcing Reinforcing Ring  - Enter the width of the reinforcing ring. For a reinforcing ring that is a simple bar, this is the dimension that is perpendicular to the surface of the shell.

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Shells and Heads Thickness of Reinforcing Ring  - Enter the thickness of the reinforcing ring. For a reinforcing ring that is a simple bar, this is the dimension that is parallel to the surface of the shell.

Figure 4: Thickness of Reinforcing Ring

Stiffening Ring Material Na Name me - Enter the ASME code material specification as it appears in the ASME material allowable tables. Alternatively, you can select the material from the Material Database by clicking Database while the cursor is in this field. If a material is not contained in the database, you can select se lect its specification and properties by s selecting electing Tools > Edit > Add Materials  from the Main Menu .

If you type in the name, CodeCalc retrieves the first material it finds with a matching name. EXAMPLES FOR MATERIAL SPECIFICATION: SA-516 70, SA-285 C Some typical material names (standard ASME material name): Plates & Bolting  

 

SA-516 55

 

SA-516 60

 

SA-516 65

 

SA-516 70

 

SA-193 B7

 

SA-182-F1

 

SA-182 F1

 

SA-182 F11

 

SA-182 F12

 

SA-182 F22

 

SA-105

 

SA-36

 

SA-106 B

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Stainless Steel  

 

SA-240 304

 

SA-240 304L

 

SA-240 316

 

SA-240 316L

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SA-193 B8

 Al um in um  

 

SB-209

 

SB-234

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

Titanium  

 



SB-265 1

Nickel  

 

SB-409

 

SB-424

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If you used old CodeCalc material names with previous versions, you may refer to the CodeCalc User's Guide Appendix 22.6 for name comparisons with ASME Code Names. Size of Fillet Weld Leg Connectin g Ring t o Shell  - Enter the dimension of the weld leg, which connects the stiffening ring to the shell section. This value is used in the weld shear flow calculations if a simple bar stiffener has been selected as the type of reinforcing ring. Ring Type to Satisfy Inerti a and and Area Requirements Requirements  -Entering a structural ring type here causes CodeCalc to search the structural database for a suitable member that meets the inertia

requirements for the ring. The valid types of structural shapes are:   EQUAL ANGLE - Equal Leg Angles 

 

UNEQUAL ANGLE - Unequal Angle

 

DBL LARGE ANGLE - Double Angles Large Legs back to back

 

DBL SMALL ANGLE - Double Angles Small Legs back to back

 

CHANNEL  - Channel Sections

 

I-BEAM - Wide Flange Sections

 

WT SECTION - Wide Flange Sections (T type )

 

MT SECTION - Miscellaneous Tee

 

ST SECTION - Structural Tee

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  MC SECTION - Miscellaneous Channel Weld Ring Att achment Style - Enter the style of the weld that attaches the stiffening ring to the Weld shell section. Per UG-29 of the Code, there are three styles:  

INTERMITTENT  

 

CONTINUOUS 

 

BOTH 

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This input in conjunction with the shell thickness and corrosion allowance will allow for the computation of the maximum spacing between weld segments. Location of Ring  - There are two possibilities for the location of the stiffening ring.

 

INTERNAL - Attached to the inside of the shell.

 

EXTERNAL - On the outer surface of the shell.

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Shells and Heads Is the ring roll ed the hard hard way?  - If you have selected an angle type ring to satisfy the inertia requirements above, this box is meaningful; otherwise it is ignored. When this option is used, CodeCalc computes the distance from the shell surface to the t he ring centroid based on information in the AISC Steel handbook.

Figure 5: Hard Way or Easy Way

Section Options Specifies the parameters for reinforcing rings for sections. Stiffening Ring Material Na Name me - Enter the ASME code material specification as it appears in the ASME material allowable tables. Alternatively, you can select the material from the Material Database by clicking Database while the cursor is in this field. If a material is not contained in the database, you can select se lect its specification and properties by s selecting electing Tools > Edit > Add Materials  from the Main Menu .

If you type in the name, CodeCalc retrieves the first material it finds with a matching name. EXAMPLES FOR MATERIAL SPECIFICATION: SA-516 70, SA-285 C Some typical material names (standard ASME material name): Plates & Bolting   

   

SA-516 55 SA-516 60

 

SA-516 65

 

SA-516 70

 

SA-193 B7

 

SA-182-F1

 

SA-182 F1

 

SA-182 F11

 

SA-182 F12

 

SA-182 F22

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SA-105

 

SA-36

 

SA-106 B

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Stainless Steel  

 

SA-240 304

 

SA-240 304L

 

SA-240 316

 

SA-240 316L

 

SA-193 B8

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



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

 Al um in um  

 

SB-209

 

SB-234





Titanium  

 



SB-265 1

Nickel 

 

SB-409

 

SB-424

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If you used old CodeCalc material names with previous versions, you may refer to the CodeCalc User's Guide Appendix 22.6 for name comparisons with ASME Code Names. Size of Fillet Weld Connectin g Ring t o Shell  - Enter the dimension of the weld leg, which connects the stiffening ring to the shell section. This value is used in the weld shear flow calculations if a simple bar stiffener has been selected as the type of reinforcing ring. Moment of Inertia of Reinfo Reinfo rcing Ring  - Enter the moment of inertia for the beam section, which is being used as a reinforcing ring, in the direction parallel to the surface of the shell. Cross Sectional Area of Reinforcin Reinforcin g Ring  - Enter the cross sectional area for the beam section which is being used as a reinforcing ring. Distance RingofCentroid to sh ell Surface  - Enter the distance the normal surfaceto ofthe theshell shell to thefrom centroid the reinforcing ring. This distance should be measured mfrom easured surface. Ring Type to Satisfy Inerti al and Area Requirements Requirements  - Entering a structural ring type here causes CodeCalc to search the structural database for a suitable member that meets the inertia requirements for the ring. The valid types of structural shapes are:

 

EQUAL ANGLE - Equal Leg Angles

 

UNEQUAL ANGLE - Unequal Angle

 

DBL LA RGE AN ANGLE GLE - Double Angles Large Legs back to back

 

DBL SMALL ANGLE - Double Angles Small Legs back to back

 

CHANNEL  - Channel Sections

 

I-BEAM - Wide Flange Sections

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WT SECTION - Wide Flange Sections (T type )

 

MT SECTION - Miscellaneous Tee

 

ST SECTION - Structural Tee

 

MC SECTION - Miscellaneous Channel

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Weld Ring Att achment Style - Enter the style of the weld that attaches the stiffening ring to the Weld shell section. Per UG-29 of the Code, there are three styles:

 

INTERMITTENT  

 

CONTINUOUS 

 

BOTH 





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This input in conjunction with the shell thickness and corrosion allowance will allow allo w for the computation of the maximum spacing between weld segments. Location of Ring  - There are two possibilities for the location of the stiffening ring.

 

INTERNAL - Attached to the inside of the shell.

 

EXTERNAL - On the outer surface of the shell.

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

Is the ring angle rol led the hard way?  - If you have selected an angle type ring to satisfy the inertia requirements above, this box is meaningful; otherwise it is ignored. When this option is used, CodeCalc computes the distance from the shell surface to the ring centroid based on information in the AISC Steel handbook.

Figure 6: Hard Way or Easy Way

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Optio Optional nal Data Tab Tab Specifies parameters for overriding the values generated by the software. User MAWP - (Maximum Allowable W orking Pressure) Enter the design MAWP. If this value is provided, the calculated MAWP based on the input nominal thickness will be overridden and

used to compute the de-rated MAWP in Section 5 and Section 6 analysis. The de-rating of the vessel element will be shown automatically when the results indicate failure for continuing operation. However, when the results meet the passing p assing criteria, a remaining life of the equipment using thickness approach methodology will be presented. Longi tudin al Minimum Required Thickness, TMI TMINL NL  - Enter the TMINL thickness. If either the TMINL or the TMINC value is greater than 0.0, then the calculated TMIN value based on the  ASME Section VIII will be overridden. Circumerential Mini mum Re Required quired Thic kness, TMINC TMINC - Enter the TMINC thickness. If either the TMINL or the TMINC value is greater than 0.0, then the calculated TMIN value based on the  ASME Section VIII will be overridden. Longit udinal Membrane Stress, S SigmaML igmaML  - Enter the SigmaML stress value. If either the TMINL or the TMINC value is greater than 0.0, then the calculated SigmaML value based on the  ASME Section VIII will be overridden. Circumferential Membrane Stress, SigmaMC - Enter the SigmaMC stress value. If either the TMINL or the TMINC value is greater than 0.0, then the calculated SigmaML value based on the  ASME Section VIII will be overridden. RSFA RS FA (Re (Remaining maining Strength Factor Allow able) - This value is defined as RSF = L DC / LUC 

Where:  

LDC = Limit or plastic collapse load of the damaged component

 

LUC = Limit of plastic collapse load of the undamaged component.

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

The default value as currently set in the API Recommended Practice 579 is 0.9

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Supplemental Loads Specifies the parameters for supplemental loads.

Figure 7: Direction of Supplemental Loads

 Ax ial For ce, F  - Enter the net-section axial force from f rom supplemental loads excluding the pressure trust for the Sustained Case and Expansion Case Case, if any. Shear Force, V - Enter the net-section shear force from supplemental loads for the Sustained Case and Expansion Ca Case, se, if any. Bending Moment, Mx  - Enter the component of the net-section bending moment m oment from supplemental loads in the X direction for the Sustained Case and Expansion Case, if any. Bending Mom ent, My - Enter the component of the net-section bending moment from supplemental loads in the Y direction d irection for the Sustained Case and Expansion Case, if any. Torsional Moment, Mt  - Enter the net-section torsion moment from supplemental loads in the Z direction for the Sustained Case and Expansion Case, Case, if any. Joint Effi ciency, Circumferential Sea Seams ms  - Enter the joint j oint efficiency in the circumferential direction.

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Shells and Heads Shell Orientatio n  - Select the orientation of installed vessel. This input will be used to get Shell horizontal input data for the thickness calculation due to supplemental load. If you select Horizontal , more options display.

Figure 8: Shell Orientation Directions

Depth of Head Head  - Enter the head depth of the horizontal vessel. Sa Saddle ddle Contact Angle  - Enter the contact angle of the saddle with the shell. Distance from Saddle Saddle to Ve Vessel ssel Tangent - Enter the length from the tangent line of the horizontal vessel to the centerline of a saddle support. Maximum Saddle Reactio Reactio n Force  - Enter the saddle reaction force resulting from the weight of the vessel and vessel content. Flaw Location Alon g Vessel Vessel  - Select from the option the nearest point where the flaw located.

Compute Remaining Life Specifies that the software performs the remaining life calculation c alculation when the assessments have met the passing criteria.

Section 4 and 5 Corrosion Ra Rate te per year   - Enter the corrosion rate per year in both directions, circumferential and longitudinal directions. These corrosion rates are also required for the localized pi pitting tting analyzed using Section 5.

Section 6 PPR Mode Mode Settings Settin gs Pit Size - Activates the pit grow in Increasing In Pit Size mode. This mode will simulate the increase of the pit size, diameter and depth. This check box will enable the Diameter  and  and Depth Pit Propagation Rate (PPR) boxes.

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Shells and Heads Region Size - Activates the pit grow in Increasing In Pit Re Region gion Size mode. This mode will simulate the increase of the LTA size. This check box will enable the C dim  and S dim  fields. Density  - Activate the pit grow in Increasing In Pit Density  mode. This mode will simulate the increase the pit density by decreasing the pit spacing. This check box will enable the Couple Spacing  field.

Pit Propagation Propagatio n Rate per year year Diameter   - Enter the diameter pit propagation rate. Depth  - Enter the depth pit propagation rate. S dim  - Enter the S dimension (longitudinal direction) pit propagation rate. C dim  - Enter the C dimension (circumferential) pit propagation rate. Couple Spacing  - Enter the pit couple spacing pit propagation rate.

RLife Computation Approach  - Specifies how you want to compute the remaining life. You can select Thickness  or MAWP. Print Intermediate RLife Results  - Prints the table of the intermediate results of the RLife iterations. These intermediate results are printed in every 100 iterations.

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Jacket Tab Specifies parameters for jacket and closure bars. t ype that you are analyzing from the list. If you Select Jacket (fi g. 9-2) - Select the jacket type cannot decide the type that best suits your model, then select Type 2. If this is not appropriate, then the software gives you a warning message. The software calculates the required thickness of the jacket, j acket, closure bar, and the internal chamber (cylindrical / conical shell, or head covered by the jacket). The code gives weld sizes, which must be adhered to because they the y ensure full integrity of the jack jacket et attachment to the vessel. ASME VIII Div 1 Appendix 9 sets out 5 basic jacket configurations. For more information, see Figure 9-2 in the Code.

In a type 3 jacket arrangement, there is no closure bar, however the welding is critical, and the notes set out in the Code must be adhered to.

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Shells and Heads Typically, the jacket is attached by means of a closure bar as shown here:

Figure 9: Inner Vessel with Jacket and Closure Bar

The closure bar can be a simple rectangular section ring as displayed above, or it can be more elaborate as displayed in Appendix 9 of the Code. Verify the inner shell/head for external pressure using (any) vacuum plus the Jacket Pressure and consider the Design Length of the Jacket section L. Select Closure (fig. 9-5) - Select the closure bar type most resembling your design:

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Figure - Closure Bar Jacket Types  

Jacket long. Jt. Eff. - Enter the jacket and jacket head welded joint efficiencies. This is obtained from table UW-12 in ASME Section VIII Division 1.

In the case of a type 1 weld (Welded from both sides, or with removable backing strip), the joint efficiencies are as follows:  

1.00 - Full radiography

 

0.85 - Spot radiography

 

0.70 - No radiography

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Select Jacket Head Head  - Select the jacket head type:

 

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Elliptical  

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Torispherical  

 

Hemispherical 

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Corrosion Allowances  - Enter the following corrosion allowances. The program will perform all the calculations in the corroded condition.

1

Inner shell corrosion allowance outside

cso

2

Jacket corrosion allowance inside Jacket

cji

3

Jacket head corrosion allowance inside

ci

The input for the inner shell corrosion allowance inside is available on the Geometry  tab of the main input screen. For more m ore information, see Shells and Heads Geometry Tab (see "Geometry Tab (Shell/Head)" on page page 69)  69).. Design Design Temperature Temperature  - Enter the design temperature of the jacket. j acket. Jacket Material Name - Specify the material name as it appears in the material specification of the appropriate code.

1. Click

to open the Material Database Dialog Box  (on page 437) page 437)..

The software displays the Material Database dialog box, which displays read-only information about the selected material.

2.

Select tthe he material that y you ou want to use from the list. The software displays the material properties.

3.

Click Select  to use the material, or click Back  to select a different diff erent material.

 

Alternatively, you can type the material material name as it appears in the material specification. If you type in the name, the software s oftware retrieves the first material it finds in the m material aterial database with a matching name.

 

To modify material properties, go to the Tools  tab and select Edit/Add Materials .

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Pressure Pj  - Enter the pressure in the jacket space. This is the pressure shown in the figure L. Inside Diameter Dj  - Enter the inside diameter of the jacket as shown in figure L. Thickness tj  - Enter the thickness of the jacket as shown in figure L.

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Shells and Heads Half Half Apex Angl e - Enter the half apex angle for the (c), (b-2), (k) and (l) closure bar types as shown in the following figure.

Figure 10: Half Apex Angles

Length for Volume Calcul Calcul ation  - Enter the total length (Ltot) of the jacket, which can be used for computing the volume and weight of the jacket. Design Design Length (dis t. bet. rings) - Enter the design length of the jacket used to check the inner shell. The internal pressure in the jacket j acket acts as an external pressure on the inner shell. The inner shell is checked for external pressure using this design length p plus lus the jacket pressure and any shell vacuum pressure specified.

The design length is typically the length of the jacket, but if there is a stiffening ring located in between the jacket and the shell, then this length is smaller. T The he length is between two support points. Jacket Head Thickness  - Enter the new thickness of the jacket head.  As pec t Rati R ati o  - The aspect ratio is the ratio of the major axis to the minor axis for the ell ellipse. ipse. For a standard 2:1 elliptical head, the aspect ratio is 2.0. Inside Crown  - Enter the crown radius in the case of a torispherical jjacket acket head. Knuckl e R Radius adius  - Enter the knuckle radius in the case of a torispherical jacket head.

Closure Bar Dimensions Closure Bar Material Name - Specify the material name nam e as it appears in the material specification of the appropriate code.

1. Click

to open the Material Database Dialog Box  (on page 437) page 437)..

The software displays the Material Database dialog box, which displays read-only information about the selected material.

2.

Select tthe he material that y you ou want to use from the list.

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Shells and Heads The software displays the material properties.

3.

 



Click Select  to use the material, or click Back  to select a different dif ferent material.

Alternatively, you can type the material material name as it appears in the material specification. If you type in the name, the software s oftware retrieves the first material it finds in the m material aterial database

with a matching name.   To modify material properties, go to the Tools  tab and select Edit/Add Materials .



Thickness  - Enter the thickness of the closure bar. Total Corr. Allow  - Enter the corrosion allowance of the closure bar. If the closure is subject to corrosion both outside and inside, then enter the combined corrosion allowance.

 API 579 (FFS) Tab Specifies damage and flaw description options for shells and heads.

Figure 11: Zones for Thickness Averaging

Damage Description Flaw Type - Select the flaw type from the list.

 

General Metal Loss  – Assess the flaw using API 579 Section 4 analysis

 

Local Metal Loss  – Assess the flaw using API 579 Section 5 analysis.

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Pitting Corrosion  – Assess the flaw using API 579 Section 6 analysis.

You must review the assessment applicability and limitation whenever the assessment changes.

Flaw Fla w Descriptio Descriptio n Flaw Location  - Select the location of the flaw:   Inside – Located on the inner diameter surface.



 

Outside – Located on the outer diameter surface.

 

Inside and Outsid Outsid e – Located on both inner and outer diameter surfaces in Section 6 (Multiple Layer Analysis).





Section 4 and 5 Near Near Axisymmetric Discontinuity  - Select the available option if the flaw is near the axisymmetric structural discontinuity such as seam weld, stiffening ring, or knuckle k nuckle area of the head.

 



 - Near stiffening ring or skirt weld seam or cone weld seam or circumferential weld Cylinder  seam. Cylinder provides the following options: 

   

None User specified

 

Near a stiffening ring

 

Skirt weld seam

 

Cone weld seam

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Formed Hea Head d  - Beyond the spherical portion or circumferential weld seam. Formed head provides the following options:

 

None

 

User specified

 

Beyond the spherical portion

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Cone - Near the large end or the small end junction. Cone provides the following options:

 

None

 

User specified

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Near the large end or the small end junction

Figure 12: Zones for Thickness Averaging - Axisymmetric Discontinuity

Distance of 1st 1st Data Point from Discon tinu ity  - Enter the nearest distance of the first data point along the longitudinal or meridional direction to the axisymmetric structural discontinuity. This value will be used to determine the location of each thickness profile data in reference to the axisymmetric structural discontinuity location. Refer to a dimension in the above sketch. Distance of Head HeaRefer d Tangent fro m SkirtinWe Weld ld Se Seam am  - Enter distance of head tangent from skirt weld seam. to b dimension Figure E. For m more orethe information, see Near  Ax is ym met ri c St ru ct ur al Dis co nt in ui ty  on the  API 579 (FFS) Tab T ab  (on page 90) page 90)..

User Specified, Lv - Enter the user specified s pecified Zone Thickness Averaging length, Lv. The value that you enter will override the calculated value described in the API579. If you leave this box blank, the software interprets that as a zero value. Proximit y to Cone End End  - Select the cone end nearest the discontinuity. Cone Diameter At That End  - Specifies the cone diameter dia meter at the selected end.

Section 6 Widespread Widesprea d Pitti ng  - Specifies that pitting occurs over a significant region of the component. Localized Pitting  - Specifies that pitting occurs over a localized region of the component

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Shells and Heads LTA in Region Region of Widespread P Pitti itti ng  - Specifies that a region of LTA is located in an area of widespread pitting. Pitting Confined in LTA  - Specifies that pitting is confined within the LTA.

LTA Dimensions Enter following ng pitting damage types:the s and c dimensions. These dimensions are required for the followi  

Localized pitting

 

Region of LTA located in an area of widespread pitting

 

Pitting confined within a region of localized metal loss

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Figure 13: LTA Dimensions in Pitting Damage

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Shells and Heads Long/Merid. Dir. (s) - Enter the total number of measurement m easurement points along the Longitudinal/Meridional Direction for Profile Thickness measurement method.

Figure 14: Longitudinal and Meridional Directions

m easurement points along the Circumferential Direction Circ. Dir. (c) - Enter the total number of measurement for Profile Thickness measurement method.

Data Da ta Measu Measurement rement Tab Tab Uniform Metal Loss  - Enter the metal loss prior to the assessment. LMSD - Enter the shortest distance from the edge of the local metal loss region under investigation to the nearest major structural discontinuity such as weld wel d seam and stiffening ring. This parameter is used to check the limiting flaw size in Section 5 analysis. Measurement Type - Select the measurement type to use. You can select:

 

Point  - Specifies that the point thickness measurement method is used.

 

Profile - Specifies that the profile thickness measurement method is used.

 

Groove - Specifies that the groove measurement method is used. For more information, see page 97).. Groove Options (on page 97)

 

Pitting  - Specifies that the software is analyzing pitting flaws.

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Shells and Heads Profile Type - Select the profile thickness t hickness measurement data type, CTP (Critical Thickness Profile) or Grid type (raw data). This value sets the data entry table accordingly.

Data Size Circumfer. Dir. - Enter the total number of measurement m easurement points along the Circumferential Direction for Profile Thickness measurement method. Long./Merid. Dir. - Enter the total number of measurement points along the Long./Merid. Longitudinal/Meridional Direction for Profile Thickness measurement method.

Figure 15: Longitudinal and Meridional Directions

Grid Size Circumfer. Dir   - Enter the grid size of the thickness profile in the circumferential direction. Long./Merid. Dir   - Enter the grid size in the thickness profile in the longitudinal or meridional direction. Measurement Data - Displays a dialog box that specifies the parameters for measurement data. For more information, see the following:

 

Point Measurement Data Dialog Box (on page 96) page 96)  

 

Enter CTPs Dialog Box  (on page 96) page 96)  

 

Groove Options (on page 97) page 97)  

 

Enter Pitting Information Dialog Box  (on page 98) page 98)  

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Shells and Heads Optional Data Overri din g Values (MAWP, T TMINL, MINL, TMINC, TMINC, RF RFSA, SA, etc.)  - Select this check box to specify that the software uses the MAWP, TMINL, TMINC, SigmaML, SigmaMC, and RSFA override values.

Supplemental Loads  - Specifies that the software uses the supplemental loads values. Compute Remaining Remaining Li fe  - Specifies that the software performs the remaining life calculation when the assessments have met the passing criteria.

Specifies parameters for profile measurements. Circumferential Plane Planes s  - Type the distance between the planes. Longitudinal Planes  - Type the distance between the planes.

Point Measur Measureme ement nt Da Data ta Dialo Dialog g Bo x Specifies parameters for point measurements. m easurements. Thk  - Enter the measured thickness for each point.

Enterr CTPs Ente CTPs Dialog Box Specifies parameters for critical thickness profiles. Longi tudin al Pla Plane ne CTP - Enter the critical thickness profile in the longitudinal direction. Circumferential Plane CT CTP P - Enter the critical thickness profile in the circumferential direction.

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Shells and Heads

Groo ve Option Option s Specifies the parameters for measuring grooves.

Figure 16: Groove Measurement Dimensions

Radius, Radius, g r   - Enter the groove radius. Length, gl  - Enter the groove length. Depth, gd  - Enter the groove depth. Width, gw  - Enter the groove width. Orientation, Beta - Enter the groove orientation (Beta) in degrees. Critical Exposur e Temperature Temperature  - Enter the lowest metal temperature derived from either the operating or atmospheric conditions.

CodeCalc User s Guide

 

Shells and Heads

Enter Pitti Pitting ng Information Dialog Box Specifies parameters for pitting.

Figure 17: Pitting Dimensions

P_k  - Enter the pit-couple spacing in pit-couple k. Theta_k - Enter the pit-couple orientation in i n degree. d_ik  - Enter the diameter of the pit i in pit-couple k. w_ik  - Enter the depth of the pit i in pit-couple k. d_jk  - Enter the diameter of the pit j in pit-couple k. w_jk  - Enter the depth of the pit j in pit-couple k.

97

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Shells and Heads

Results Thickness Due to Internal Pressure Pressur e The appropriate formula from ASME Section VIII is referenced, and the formula and substitutions are shown. The diameter or crown radius is adjusted to take into account the corrosion allowance. If your shell design includes hydrostatic head components, the additional pressure due to the height of the liquid column and the operating liquid density will be included with the basic design pressure. The hydrostatic head will be subtracted in order to properly determine the MAWP for the vessel part that is being b eing analyzed. Remember, when pressures are being read from the pressure gauge, the gauge is usually at the high point of the vessel. The pressure registered by the gauge would be different if were at the bottom of the liquid filled vessel. For elliptical heads, the K factor is (2 + Ar * Ar) / 6, per App. 1-4 (c). For torispherical heads, the factor M is (1/4) * (3 + SQRT (L / R)), where "L" (the crown radius) and a nd "R" (the knuckle radius) were entered by the user. CodeCalc does not replace the given thickness thick ness with this calculated minimum. If you are choosing the thickness for a component, compare the values shown under "Summary of Internal Pressure Results" (required vs. actual) and adjust the actual a ctual thickness up or down accordingly. accordingl y.

Maximum Allowable Working Pressure at Given Thickness This value is calculated as described above, using the given thickness minus corrosion allowance and the operating allowable stress. The hydrostatic head component is subtracted from this value. The pressure gauge is assumed to be at the top of the vessel.

Maximum Allowable Working Pressure, New & Cold This value is calculated as described above, using the uncorroded thickness and tthe he ambient allowable stress.

 Actu  Ac tual al Stres St resss at Given Giv en Press Pr essur uree and Thick Thi ckness ness Note that the joint efficiency is included in this value, so this can be considered as the stress at the welded joint rather than in the base metal.

Summary of Internal Pressure Results Either of two conditions can indicate a problem in your design. First, if the required thickness plus corrosion allowance is greater than the given thickness, then you must increase the given thickness. Second, if the MAWP is less than the design pressure, then you must either decrease the design pressure or increase the given thickness to achieve an acceptable design. The hydrotest pressure is calculated as the maximum m aximum allowable working pressure times 1.5 or 1.3 (depending on the material database selection) times the ratio of the allowable stress at ambient temperature to the allowable stress at design temperature. The hydrotest pressure may not be appropriate for the entire vessel for three reasons. First, some other component may have a lower maximum m aximum allowable working pressure, which may govern the hydrotest pressure. Second, you may choose to base hydrotest pressure on design pressure rather than maximum allowable working pressure. Third, if the vessel is tested in the

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99

 

Shells and Heads vertical position you may have to adjust the hydrotest pressure for the head of water wa ter in the vessel. For the UG99-C hydrotest, the liquid head is subtracted from the basic result.

Minimum Minimu m Metal Temperatures Temperatures For carbon steels, these temperatures represent the minimumThe design metal temperature for the given thickness and, in the second case, c ase, the given pressure. first temperature is interpolated directly from chart UCS-66. The second temperature is reduced if the actual stress is lower than the allowable stress, using figure UCS-66.1. The program also checks for materials, which qualify for the -20 minimum minim um design temperature per UG-20 and prints it in the output. See the input notes above to enter normalized n ormalized or non-normalized materials.

Weight & Volume Results, No Corrosion Allowance CodeCalc computes the volume and weight of the shell component. Additionally, the inside volume for a 2.00 inch straight flange is computed and used in the computation of the total volume for the head and the flange. The dimensions used in the volume and weight calculations are non-corroded dimensions.

Results for Max. Allowable External Pressure For the given diameter, thickness, and length, the maximum m aximum allowable external pressure is computed per UG--28.

Results for Required Thickness for External Pressure Required thickness results are calculated iteratively using the rules of UG-28. Items such as the length and outside diameter are held constant, co nstant, and the software calculates the required thickness based on the entered value for external pressure.

Summary of External Pressure Results Summary listing displaying external pressure results for the user-entered thickness thick ness and the calculated required thickness.

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SECTION 5

Nozzles Home tab: Components  > Ad d New Nozzl e 

Calculates the required reinforcement under internal pressure and performs failure path calculations for nozzles in shells and heads, using the ASME Code, Section VIII, Division 1 rules. You can also orientate the nozzle in directions such as hillside, lateral, and radial.

In This Section Purpose, Scope, and Technical Basis (Nozzles)........................... (Nozzles)...........................  101 Nozzle Tab .....................................................................................  102 Geometry Tab T ab ................................................................................ ................................................................................  105 Miscellaneous Tab ......................................................................... .........................................................................  109 Shell/Head Tab ..............................................................................  117 Results ........................................................................................... ...........................................................................................  122

Purpose, Scop e, and Technical Techni cal Basis (N (Nozzle ozzles) s) Purpo se, Scop Nozzles calculates the required wall thickness thick ness and area of reinforcement for a nozzle in a pressure vessel shell or head, and compares this area to the area available in the shell, nozzle and optional reinforcing pad. The software also calculates the strength of failure paths for a nozzle. Nozzles is based on the ASME Code, Section VIII, Division 1, Paragraph UG-37 through UG-45, 2007 Edition. The calculation procedure is based on Figure UG-37.1. The software calculates the required thickness (for reinforcement conditions) based on inside or outside diameter for the following vessel components: Component

Paragraph Paragraph

Limit ations Per UW-37 UW-37

Cylinder

UG-27 (c) (1)

None

Elliptical Head

UG-32 (d) (1)

Nozzle concentric within 0.8D

Torispherical Head

UG-32 (e) (1)

Nozzle in spherical portion

Spherical Head or Shell UG-27 (d) (3)

None

Conical

None

UG-27 (g)

The software evaluates nozzles at any reasonable angle a ngle from the perpendicular, allowing evaluation of off angle, hillside, or tangential nozzles.

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Nozzles Nozzles account for the internal corrosion allowance. You enter actual thickness and corrosion allowance, and the software adjusts thicknesses and diameters when making calculations for the corroded condition. Nozzles also performs UCS-66 MDMT calculations for nozzles.

Figure 18: Nozzle Dimensions

Nozzle Tab Specifies design parameters for nozzles. Item Number   - Enter the ID number of the item. This may be the item number on the drawing, or numbers that start at 1 and increase sequentially. sequentiall y. Description  - Enter an alpha-numeric description for the item. This entry is optional but b ut strongly encouraged for organizational and support purposes. Design Design Internal Pressure - Enter the internal design pressure. This is a non-zero positive value and is usually obtained from the design drawings or vessel design specification.

Required information such as the required thickness tr and trn are determined from the design internal pressure. Design Design Temperature for Int ernal Pressure - The software automatically updates material properties for built-in materials when you change the design temperature. If you entered the allowable stresses by hand, you are responsible r esponsible to update them for the given temperature. Design Design External Pressure - Enter the external design pressure. CodeCalc  will compute the required thickness of the given geometry for the external pressure entered. If you are designing for a full vacuum, you would enter a value of 14.7 psig (or rounded off to 15 psig) or 1.0133 bars. CodeCalc  will compute the required thickness for both external and internal pressure. Then, the software chooses the greatest required thickness, tr, and proceeds with the calculations. ca lculations.

If external pressure governs, the program will automatically reduce the required area of reinforcement by 50 percent. Shell Design Length for External Pressure  - Enter the design length of the section, typically Shell the length of the vessel plus one third the depth of the heads or, alternately, the distance between stiffening rings.

For a vessel with 2 elliptical heads and no intermediate stiffeners, the design length is the tangent to tangent length plus the shell diameter / 6. For a vessel with 2 spherical s pherical heads and no intermediate stiffeners, the design length is the tangent length plus the diameter/3.

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Nozzles For a vessel with 2 flanged and dished heads and no intermediate stiffeners, the design length is the tangent length plus the diameter/9. When analyzing a conical head enter the length along the axis of the cone, from the small end to the point where the nozzle center line l ine penetrates the cone. If any other head types t ypes are being analyzed, enter a 0 here and you must enter the required thickness of the component in the required field. Print Intermediate Calcul Calcul ations For External Pressure  - Indicates that CodeCalc  will print out the parameters used for external pressure design. Design Design Temperature Temperature for External Pressure - The CodeCalc software will automatically update materials properties for BUILT-IN materials when you change the design d esign temperature. If you entered the allowable stresses by hand, you are responsible to update them for the given gi ven temperature. Maximum Allow able Pressure Pressure for New Cold  - Some design specifications require that nozzle reinforcement calculations are performed for the maximum allowable pressure, new and cold col d condition, MAPnc. MAPnc for the nozzles is the minimum of the MAPs determined from analyzing the vessel elements using the Shell/Head part of the software.

The software will then check to see if the nozzle is reinforced rein forced adequately using the user entered MAPnc. When the area of replacement calculations are made for this case, cold allowable stresses are used and the corrosion allowance is set to 0. Designing nozzles for this case helps the vessel to comply with UG99 U G99 or appropriate (hydrotest) requirements. Check your design requirements to see if this case is required by your client. Nozzle Material Name - Specify the material name as it appears in the material specification of the appropriate code.

1. Click

to open the Material Database Dialog Box  (on page 437) page 437)..

The software displays the Material Database dialog box, which displays read-only information about the selected material.

2.

Select tthe he material that y you ou want to use from the list. The software displays the material properties.

3.

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Click Select  to use the material, or click Back  to select a different diff erent material.

 

Alternatively, you can type the material material name as it appears in the material specification. If you type in the name, the software s oftware retrieves the first material it finds in the m material aterial database with a matching name.

 

To modify material properties, go to the Tools  tab and select Edit/Add Materials .

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Include Hydrostatic He Head ad Components - If your nozzle design needs to account for hydrostatic liquid head, select this box. CodeCalc CodeC alc adds the hydrostatic pressure head to the internal design pressure for the required thickness calculation. Operating Liquid Density  - Enter the density of the operating fluid. This value is multiplied by the height of the liquid column in order to compute the static s tatic head pressure.

You can enter a number of specific s pecific gravity units and CodeCalc converts the num number ber to the current set of units. To do this, enter a number followed by the letters sg . Typical specific gravities and densities are shown below in lbs/ft^3.

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Nozzles Convert the densities to your units. Name Name

Specific Gravity

Density Density (lb/ft^ 3)

Ethane

0.3564

22.23

Propane

0.5077

31.66

N-butane

0.5844

36.44

Iso-butane

0.5631

35.11

N-Pentane

0.6310

39.35

Iso-Pentane

0.6247

38.96

N-hexane

0.6640

41.41

2-methypentane

0.6579

41.03

3-methylpentane

0.6689

41.71

2,2-dimethylbutane

0.6540

40.78

2,3-dimethylbutane

0.6664

41.56

N-heptane

0.6882

42.92

2-methylheptane

0.6830

42.59

3-methylheptane

0.6917

43.13

2,2-dimethylpentane

0.6782

42.29

2,4-dimethylpentane

0.6773

42.24

1,1-dimethylcyclopentane

0.7592

47.34

N-octane

0.7068

44.08

Cyclopentane

0.7504

46.79

Methylcyclopentane

0.7536

46.99

Cyclohexane

0.7834

48.85

Methylcyclohexane

0.7740

48.27

Benzene

0.8844

55.15

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Nozzles Toluene

0.8718

54.37

 Alcohol

0.7900

49.26

 Ammonia

0.8900

55.50

Benzine

0.6900

43.03

Gasoline

0.7000

43.65

Kerosene

0.8000

49.89

Mineral Oil

0.9200

57.37

Petroleum Oil

0.8200

51.14

Water

1.0

62.4

Height Height of Liquid Column  - Enter the distance from the bottom of this shell or head element to the surface of the liquid. The head pressure is determined by multiplying the liquid density by the

height of the fluid to the point of interest.

Geometr y Tab Geometry Specifies nozzle geometry parameters. Nozzle Diameter Diameter Basi s  - Specifies the diameter basis.

 

ID - Inside diameter

 

OD - Outside diameter

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Nozzle Size Thickness Basis  - Select the value from the list.

   Ac tu al  - Actual diameter and thickness. thick ness. The software uses the actual diameter entered in



the NominalofDiameter Nozz le box and the actual thickness entered in the Ac t ual Thickness Nozz Nozzle le (0ofif Nozzle Nomin al) box.  

diameter iameter Nominal  - Nominal diameter and thickness. The software looks up the actual d based on the nominal diameter entered in the Nominal Diameter of Nozzle Nozzle  box, and looks up the nominal thickness based on the schedule entered in the Nominal Schedule of Nozzle field.

 

Minimum  - Minimum diameter and thickness. The T he software looks up the actual diam diameter eter based on the nominal diameter entered in the Nominal Diameter of Nozzle Nozzle  box, and looks up the nominal thickness based on the schedule entered in the Nominal Schedule of Nozzle field. It will then multiply the nominal thickness by a factor of 0.875.

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Nominal Diameter of Nozz Nozzle le - Enter the diameter of the nozzle. no zzle. If you specify nominal or minimum for the nozzle size and thickness basis, then you must enter the nominal diameter of the nozzle in this field. Valid nominal diameters are:

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105

 

Nozzles   0.1250 - 1/8 "

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  0.2500 - 1/4 "

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  0.3750 - 3/8 "

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  0.5000 - 1/2 "

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  0.7500 - 3/4 "   1.0000 - 1 "

  1.2500 - 1.25 "   1.5000 - 1.5 "   2.0000 - 2 "   2.5000 - 2.5 "   3.0000 - 3 "   3.5000 - 3.5 "

  1.2500 - 1.25 "

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  1.5000 - 1.5 "

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  2.0000 - 2 "

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  2.5000 - 2.5 "

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  3.0000 - 3 "

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  3.5000 - 3.5 "

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  0.1250 - 1/8 "

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  0.2500 - 1/4 "

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  0.3750 - 3/8 "

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  0.5000 - 1/2 "

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  0.7500 - 3/4 "

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  1.0000 - 1 "

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Click Pipe Selection Selection

  4.0000 - 4 "   5.0000 - 5 "   6.0000 - 6 "   8.0000 - 8 "   10.000 - 10 "   12.000 - 12 "   14.000 - 14 "   16.000 - 16 "   18.000 - 18 "   20.000 - 20 "   24.000 - 24 "   30.000 - 30 "

to select a pipe by nominal pip diameter and pipe schedule.

 Ac tu al Thi T hi ck nes s o f No zzle (0 i f Nom in al)  - Enter the minimum actual thickness of the nozzle wall.

Enter a value in this field only if you selected  Ac  Actu tu al  in the Nozzle Size Thickness Basis  field. Otherwise enter a schedule in the Nominal Schedule of Nozzle Nozzle field. Nominal Schedule of Nozzle Nozzle - Select the schedule for the nozzle wall. Select a value for this field only if you selected Nominal  or Minimum  In the Nozzle Size Thickness Basis  field. Required Required Thickness of Nozz Nozzle le (Computed if 0.0) 0.0) - The software normally calculates the required thickness of the nozzle but under the following circumstances you must enter the required thickness (Trn):

 

When y your our job specification requires that no area be included from the the shell. Enter the actual thickness minus the corrosion allowance.

 

When the nozzle is non-circular.

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Nozzle Corrosion Al lowance  - The software adjusts both the actual thickness and the inside Nozzle diameter for the corrosion allowance you enter.

Some Common Corrosion Allowances are:  

0.0625 - 1/16 "

 

0.1250 - 1/8 "

 

0.2500 - 1/4 "

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Nozzles Joint Efficiency o f Shell Sea Seam m Throug h Which Nozzle Nozzle Passes Passes  - The seam efficiency is used in the area available calculations to reduce the area available in the shell.

For shell and nozzle wall thickness calculations, the seam efficiency is always 1.0. Joint Efficiency o f Nozzle N Neck eck  - This value is used to compute the required thickness for a seamless nozzle. A seamless nozzle will have a value of 1.0. The nozzle required thickness

values are used in the CODE equations for A2 "area available in the nozzle". CodeCalc  will use this value in determining the MDMT of the Nozzle. Insert or Abutti ng Nozz Nozzle le  - The nozzle type and depth of groove welds are used to determine the required weld thicknesses and failure paths for the nozzle. If the nozzle is welded to the outside of the vessel wall, it is abutting the vessel wall. If the hole in the vessel is bigger than the nozzle OD and the nozzle is welded into the hole, it is inserted. Figure UW-16.1 in the code shows typical insert and abutting nozzles. Nozzle Outside Proj ection  - Enter the projection of the nozzle from the vessel wall to the Nozzle nozzle flange. If there is no flange, enter the distance to the first elbow, valve, or anything that can be considered a stiffener . This value is used in two ways:

 

This length is used to compute the nozzle weight.

 

If the pressure entered entered is negative (vacuum) (vacuum) condition, the software software uses this value for the length in the external pressure required thickness thick ness calculations.

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

Weld Leg Size for Fillet between Nozzle Shell or Pad  - Enter the size of one leg of the fillet weld between the nozzle and the pad or shell. The following figure shows different welds.

Figure 19: Nozzle Weld Locations

Depth of Groove Weld between Nozzle and Vessel  - Enter the total depth of the groove weld. Most groove welds between the nozzle and the vessel are full penetration welds. The depth of the weld is the same as the depth of the component (that is, the thickness thick ness of the nozzle). If the nozzle is attached with a partial penetration weld, or just a fillet fil let weld, enter the depth of the partial penetration or a zero, respectively, in this field. Nozzle Nozz le Inside Projection  - Enter the projection of the nozzle into the vessel.

The software uses the least of the inside i nside projection and the thickness limit lim it with no pad to calculate the area available in the inward nozzle. Therefore, you may safely enter a large number such as six or twelve inches if the nozzle continues into the vessel a long distance.

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Nozzles Weld We ld L eg for Fillet Between Nozzle Nozzle Inside of Shell - Enter the size of one leg of the fillet weld between the inward nozzle and the inside shell. Is there a reinforc ing pad?  - If there is a reinforcing pad on the nozzle, or if you want to specify the geometry for a reinforcing pad, select this option. CodeCalc designs and recommends a reinforcing pad if one is needed, but the

analysis of than areas is one based only on what you have entered. If CodeCalc recommends pad or a larger pad the you enter, you must go back into input and enter a pad of theacorrect size in order for the final configuration to be reflected in the final analysis. Pa Pad d Outsi de Diamete Diameterr Along Vessel Vessel Surface  - Enter the the outside diameter of of the pad.

The diameter of the pad is entered as the length along the vessel shell (not the projected diameter around the nozzle), although these two values will be equal when the nozzle is at 90 degrees.  A hillside or Y- angle nozzle makes a non-circular non-circular hole in the vessel. As a re result, sult, a reinforcing pad with same width around the nozzle will have different diameter in the longitudinal and the circumferential planes. For this type of nozzle, enter the smaller diameter, which is Pad OD = 2 * pad width + Nozzle OD Pa Pad d Thickness  - Enter the thickness of the pad. If any external corrosion is to be considered, subtract the corrosion allowance from the new pad thickness. thic kness. Some commonly used

thicknesses are:   0.0625 - 1/16 " 

 

0.1250 - 1/8 "

 

0.2500 - 1/4 "

 

0.3750 - 3/8 "

 

0.4375 - 7/16 "

 

0.5000 - 1/2 "

 

0.6250 - 5/8 "

 

0.7500 - 3/4 "

 

0.8750 - 7/8 "

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1.0000 - 1 "

Pad Weld Weld L eg Size a att Outs ide Diameter   - Enter the size of one leg of the fillet weld between the pad OD and the shell. Note that if any part of this weld falls outside the diameter limit, lim it, the weld will not be included in the available area. The following fol lowing figure shows different welds. Depth of Groov e Weld Weld B etween Pad and Nozzle Neck Neck  - Enter the total depth of the groove weld between the pad and the nozzle neck. If the nozzle is attached with a partial penetration weld, or just a fillet weld, enter the depth of the partial penetration or a zero, respectively, in this field. Pad Material Name - Specify the material name as it appears in the material specification of the appropriate code.

1.

Click

to open the Material Database Dialog Box  (on page 437) page 437)..

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CodeCalc User's Guide

 

 

Nozzles The software displays the Material Database dialog box, which displays read-only information about the selected material.

2.

Select tthe he material that y you ou want to use from the list. The software displays the material properties.

3.

Click Select  to use the material, or click Back  to select a different dif ferent material.

 

Alternatively, you can type the material material name as it appears in the material specification. If you type in the name, the software s oftware retrieves the first material it finds in the m material aterial database with a matching name.

 

To modify material properties, go to the Tools  tab and select Edit/Add Materials .





For spl it p ads, reduc e area A5 by 75% per UG-37(h) UG-37(h) - Indicates that the area will wil l be reduced by 75%.

Miscellaneous Tab Specifies miscellaneous nozzle parameters. Is the Nozzle Outside the 80% Diameter Limit?  - If the nozzle is outside of the spherical portion of the elliptical or torispherical head, select this option. The software uses the standard internal pressure equation from UG-27 instead of the equation from UG-37.

When a nozzle is within the 80% diameter limit, the required thickness of the head is equal to that of a seamless sphere of radius K 1*D (D is the shell diameter and K1 is given by Table UG-37). Do you want to modify the reinforcement reinforcement limit?  - You can enter any an y physical limitation that exists on the thickness or the diameter available for reinforcement. An example of a thickness limitation is a studding pad or nozzle stub that does not extend normal to the vessel wall as far as the thickness limit of the nozzle calculation. An example of a diameter limitation is two nozzles close together, or a vessel seam for which you did not want to take an available area reduction. Physical Maximum f or Nozzle Diameter Diameter Limit  - Enter the maximum diameter for material contributing to nozzle reinforcement.

 An example of a diameter limitation limitation would be two nozzles close together, or a vessel seam for which you did not want to take an available area reduction.  A hillside or Y- angle nozzle makes a non-circular non-circular hole in the vessel. So, the diameter limit in the longitudinal and the circumferential planes is different. For this type of nozzle, enter the smaller diameter limit. Physical Maximum for Nozzle Nozzle Thickness Limit  - Enter the maximum thickness for material contributing to nozzle reinforcement. An example of a thickness thick ness limitation would be a studding pad or nozzle stub which would not extend normal to the vessel wall as far as the thickness limit of the nozzle calculation.

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Nozzles Neglect Areas  - Frequently in the analysis of openings in heads or shells, you do not want to account for the area in the shell and sometimes in the nozzle. If this is what your design specification calls out for then enter one of the following in this field.

 A1 - No area available in the shell or or head  A2 - No area available in the nozzle wall  A1 A2 - No area available in the shell shell or nozzle wall If the input has A2 there will be no area contributed by the nozzle wall for either the pad case (A2WP) or the case when there is no pad (A2NP).  ASME L arg e Nozzl e Calc . Opti Op ti on  - Select the large nozzle calculation option from the list. Do you w ant to r ate the attached attached flange?  - Specifies that the software asks ask s you the class and grade of the attached flange. The software will used these two items along with the temperature to rate the flange using the tables in ANSI B16.5. Class for Attached B16.5 F Flange lange - The attached flange often limits the MAWP of a pressure vessel. If your geometry has an attached flange, select the class from the list. The following f ollowing flange classes are available:

 

CL 150 - Class 150

 

CL 300 - Class 300

 

CL 400 - Class 400

 

CL 600 - Class 600

 

CL 900 - Class 900

 

CL 1500 - Class 1500

 

CL 2500 - Class 2500

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

Grade of Attached B16.5 Flange  - Select the nozzle flange material grade (group). Please note that there are certain advisories on the use of certain material grades. Please review those cautionary notes in the ANSI B16.5 code. The following flange grades are available:

Table 1A List Lis t of o f Material Material Specifications Specificati ons (ASME (ASME B16.5-2 B16.5-200 003) 3) Material Nominal Group Designation

1.1

1.2

C-Si C-Mn-Si C-Mn-Si-V 3½ Ni C-Mn-Si C-Mn-Si-V 2½Ni 3½Ni

Forgings

 A 105  A 350 Gr. LF2  A 350 Gr. LF 6 Cl.1  A 350 Gr. LF3

 A 350 Gr. LF 6 Cl.2

Ca Casting sting s

 A 216 Gr. WCB

 A 216 Gr. WCC  A 352 Gr. LCC  A 352 Gr. LC2  A 352 Gr. LC3

Plate Plates s

 A 515 Gr. 70  A 516 Gr. 70  A 537 Cl. 1

 A 203 Gr. B  A 203 Gr. E

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Nozzles Material Nominal Group Designation

1.3

Forgings

C-Si C-Mn-Si C-½Mo 2 ½Ni 3 ½Ni

1.4

1.5

1.7

1.9

C-Si C-Mn-Si

A 350 Gr. LF1 Cl. 1

C-1/2Mo

A 182 Gr. F1

½C-½Mo Ni-½Cr-½Mo ¾Ni-¾Cr-1Mo

 A 182 Gr. F2

Ca Casting sting s

Plate Plates s

 A 352 Gr. LCB  A 217 Gr. WC1

 A 515 Gr. 65  A 516 Gr. 65

 A 352 Gr. LC1

 A 203 Gr. A  A 203 Gr. D  A 515 Gr. 60  A 516 Gr. 60 A 204 Gr. A  A 204 Gr. B

 A 217 Gr. WC4  A 217 Gr. WC5

1¼Cr-½Mo 1¼Cr-½Mo-Si

 A 217 Gr. WC6 A 182 Gr. F11 Cl.2

1.10

2¼Cr-1Mo

A 182 Gr. F22 Cl.3

1.11

Cr-½Mo

1.13

5Cr-½Mo

1.14

9Cr-1Mo

A 182 Gr. F9

A 217 Gr. C12

1.15

9Cr-1Mo-V

A 182 Gr. F91

A 217 Gr. C12A

1.17

1Cr-½Mo

 A 182 Gr. F12 Cl.2

5Cr-½Mo

 A 182 Gr. F5

2.1

18Cr-8Ni

A 182 Gr. F304  A 182 Gr. F304H

2.2

 A 182 Gr. F316 16Cr-12Ni-2Mo  A 182 Gr. F316H 18Cr-13Ni-3Mo  A 182 Gr. F317 19Cr-10Ni-3Mo

 A 387 Gr. 11 Cl.2 A 217 Gr. WC9

A 387 Gr. 22 Cl.2 A 204 Gr. C

 A 182 Gr. F5a

 A 217 Gr. C5

A 387 Gr. 91 Cl.2

 A 351 Gr. CF3  A 351 Gr. CF8

 A 240 Gr. 304  A 240 Gr. 304H

 A 351 Gr. CF3M  A 351 Gr. CF8M  A 351 Gr. CG8M

 A 240 Gr. 316  A 240 Gr. 316H  A 240 Gr. 317

2.3

18Cr-8Ni  A 182 Gr. F304L 16Cr-12Ni-2Mo  A 182 Gr. F316L

 A 240 Gr. 304L  A 240 Gr. 316L

2.4

18Cr-10Ni-Ti

 A 240 Gr. 321  A 240 Gr. 321H

A 182 Gr. F321  A 182 Gr. F321H

CodeCalc User's Guide

111

 

Nozzles Material Nominal Group Designation

2.5

18Cr-10Ni-Cb

2.6

23Cr-12Ni

2.7

25Cr-20Ni

2.8

Forgings

Ca Casting sting s

Plate Plates s

 A 182 Gr. F347  A 182 Gr. F347H  A 182 Gr. F348

 A 240 Gr. 347  A 240 Gr. 347H  A 240 Gr. 348

 A 182 Gr. F348H

 A 240 Gr. 348H A 240 Gr. 309H

A 182 Gr. F310

20Cr-18Ni-6Mo 22Cr-5Ni-3MoN 25Cr-7Ni-4MoN  A 182 Gr. F44 24Cr-10Ni-4Mo  A 182 Gr. F51 -V  A 182 Gr. F53 25Cr-5Ni-2Mo3Cu

A 240 Gr. 310H

 A 351 Gr. CK3McuN  A 351 Gr. CE8MN  A 351 Gr. CD4Mcu  A 351 Gr.

 A 240 Gr. S31254  A 240 Gr. S31803  A 240 Gr. S32750  A 240 Gr. S32760

CD3MWCuN

25Cr-7Ni-3.5M o-W-Cb 25Cr-7Ni-3.5M o-N-Cu-W 2.9

23Cr-12Ni 25Cr-20Ni

 A 240 Gr. 309S  A 240 Gr. 310S

2.10

25Cr-12Ni

2.11

18Cr-10Ni-Cb

A 351 Gr. CF8C

2.12

25Cr-20Ni

A 351 Gr. CK20

3.1

35Ni-35Fe-10C B 462 Gr. N08020 r-Cb

B 463 Gr. N08020

3.2

99.0Ni

B 160 Gr. N02200

B 162 Gr. N02200

3.3

99.0Ni-Low C

B 160 Gr. N02201

B 162 Gr. N02201

3.4

67Ni-30Cu 67Ni-30Cu-S

B 564 Gr. N04400 B 164 Gr. N04405

B 127 Gr. N04400

3.5

72Ni-15Cr-8Fe

B 564 Gr. N06600

B 168 Gr. N06600

3.6

33Ni-42Fe-21C B 564 Gr. N08800 r

B 409 Gr. N08800

A 351 Gr. CH8  A 351 Gr. CH20

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Nozzles Material Nominal Group Designation

3.7

3.8

Forgings

Ca Casting sting s

65Ni-28Mo-2Fe B 462 Gr. N10665 64Ni-29.5Mo-2 B 462 Gr. N10675 Cr-2Fe-Mn-W 54Ni-16Mo-15 Cr 60Ni-22Cr-9Mo -3.5Cb 62Ni-28Mo-5Fe 70Ni-16Mo-7Cr  -5Fe 61Ni-16Mo-16 Cr 42Ni-21.5Cr-3 Mo-2.3Cu 55Ni-21Cr-13.5 Mo 55Ni-23Cr-16M

Plate Plates s

B 333 Gr. N10665 B 333 Gr. N10675

B 564 Gr. N10276 B 564 Gr. N06625 B 335 Gr. N10001 B 573 Gr. N10003 B 574 Gr. N06455 B 564 Gr. N08825 B 462 Gr. N06022 B 462 Gr. N06200

B 575 Gr. N10276 B 443 Gr. N06625 B 333 Gr. N10001 B 434 Gr. N10003 B 575 Gr. N06455 B 424 Gr. N08825 B 575 Gr. N06022 B 575 Gr. N06200

o-1.6Cu 3.9

47Ni-22Cr-9Mo B 572 Gr. N06002 -I8Fe

B 435 Gr. N06002

3.10

25Ni-46Fe-21C B 672 Gr. N08700 r-5Mo

B 599 Gr. N08700

3.11

44Fe-25Ni-21C B 649 Gr. N08904 r-Mo

B 625 Gr. N08904

3.12

3.13

3.14

3.15

26Ni-43Fe-22C r-5Mo B 621 Gr. N08320 47Ni-22Cr-20F B 581 Gr. N06985 e-7Mo

 A 351 Gr. CN3MN

B 620 Gr. N08320 B 582 Gr. N06985

46Fe-24Ni-21C B 462 Gr. N08367 r-6Mo-Cu-N

B 688 Gr. N08367

49Ni-25Cr-18F e-6Mo Ni-Fe-Cr-Mo-C u-Low C

B 581 Gr. N06975 B 462 Gr. N08031

B 582 Gr. N06975 B 625 Gr. N08031

47Ni-22Cr-19F e-6Mo 40Ni-29Cr-15F e-5Mo

B 581 Gr. N06007 B 462 Gr. N06030

B 582 Gr. N06007 B 582 Gr. N06030

33Ni-42Fe-21C B 564 Gr. N08810 r

B 409 Gr. N08810

CodeCalc User's Guide

113

 

Nozzles Material Nominal Group Designation

Forgings

3.16

35Ni-19Cr-1¼S B 511 Gr. N08330 i

3.17

29Ni-20.5Cr-3. 5Cu-2.5Mo

Ca Casting sting s

Plate Plates s

B 536 Gr. N08330

 A 351 Gr. CN7M

Table 1A List Lis t of o f Material Material Specifications Specificati ons (ASME (ASME B16.5-1 B16.5-199 996) 6) Material Nominal Group Designation

1.1

1.2

1.3

Forgings

 A 105  A 350 Gr. LF2  A 350 Gr. LF 6 Cl.1

 A 216 Gr. WCB  A 216 Gr. WCC

 A 515 Gr. 70  A 516 Gr. 70  A 537 Cl. 1

C-Mn-Si C-Mn-Si-V 21/2Ni 31/2Ni

 A 350 Gr. LF 6 Cl.2  A 350 Gr. LF3

 A 352 Gr. LCC  A 352 Gr. LC2  A 352 Gr. LC3

 A 203 Gr. B  A 203 Gr. E

C-Si C-Mn-Si 21/2Ni 31/2Ni

 A 352 Gr. LCB

C-Si C-Mn-Si

 A 350 Gr. LF1 Cl. 1

1.5

C-1/2Mo

A 182 Gr. F1

1.9

1.10

Plates

C-Si C-Mn-Si C-Mn-Si-V

1.4

1.7

Castings

C-1/2Mo 1/2Cr-1/2Mo  A 182 Gr. F2 Ni-1/2Cr-1/2Mo 3/4Ni-3/4Cr-1M o 1Cr-1/2Mo  A 182 Gr. F12 Cl.2 11/4Cr-1/2Mo  A 182 Gr. F11 Cl.2 11/4Cr-1/2MoSi 21/4Cr-1Mo

A 182 Gr. F22 Cl.3

 A 515 Gr.  A 516 Gr.  A 203 Gr.  A 203 Gr.

65 65 A D

A 515 Gr. 60  A 516 Gr. 60  A 217 Gr. WC1  A 352 Gr. LC1

 A 204 Gr. A  A 204 Gr. B  A 204 Gr. C

 A 217 Gr. WC4  A 217 Gr. WC5

 A 217 Gr. WC6

A 387 Gr. 11 Cl.2

A 217 Gr. WC9

A 387 Gr. 22 Cl.2

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Nozzles Material Nominal Group Designation

Forgings

Castings

Plates

1.13

5Cr-1/2Mo

A 182 Gr. F5  A 182 Gr. F5a

 A 217 Gr. C5

1.14

9Cr-1Mo

A 182 Gr. F9

A 217 Gr. C12

1.15

9Cr-1Mo-V

A 182 Gr. F91

A 217 Gr. C12A

A 387 Gr. 91 Cl.2

2.1

18Cr-8Ni

A 182 Gr. F304  A 182 Gr. F304H

 A 351 Gr. CF3  A 351 Gr. CF8

 A 240 Gr. 304  A 240 Gr. 304H

 A 351 Gr. CF3M  A 351 Gr. CF8M  A 351 Gr. CG8M

 A 240 Gr. 316  A 240 Gr. 316H  A 240 Gr. 317

2.2

16Cr-12Ni-2Mo  A 182 Gr. F316 18Cr-13Ni-3Mo  A 182 Gr. F316H 19Cr-10Ni-3Mo

2.3

18Cr-8Ni  A 182 Gr. F304L 16Cr-12Ni-2Mo  A 182 Gr. F316L

 A 240 Gr. 304L  A 240 Gr. 316L

2.4

18Cr-10Ni-Ti

 A 240 Gr. 321  A 240 Gr. 321H

2.5

18Cr-10Ni-Cb

2.6

25Cr-12Ni

A 182 Gr. F321  A 182 Gr. F321H  A 182 Gr.  A 182 Gr.  A 182 Gr.  A 182 Gr.

F347 F347H F348 F348H

23Cr-12Ni 2.7

2.8

3.1

25Cr-20Ni

20Cr-18Ni-6Mo 22Cr-5Ni-3MoN 25Cr-7Ni-4MoN 24Cr-10Ni-4Mo -V 25Cr-5Ni-2Mo3Cu 25Cr-7Ni-3.5M o-W-Cb 25Cr-7Ni-3.5M o-N-Cu-W

A 182 Gr. F310

 A 182 Gr.  A 182 Gr.  A 182 Gr.  A 182 Gr.

F44 F51 F53 F55

35Ni-35Fe-20C B 462 Gr. N08020

 A 351 Gr. CF8C

 A 240 Gr.  A 240 Gr.  A 240 Gr.  A 240 Gr.

347 347H 348 348H

 A 351 Gr. CH8  A 351 Gr. CH20

 A 240 Gr. 309S  A 240 Gr. 309H

A 351 Gr. CK20

A 240 Gr. 310S  A 240 Gr. 310H

 A 351 Gr. CK3McuN  A 351 Gr. CE8MN  A 351 Gr. CD4Mcu  A 351 Gr. CD3MWCuN

 A 240 Gr.  A 240 Gr.  A 240 Gr.  A 240 Gr.

S31254 S31803 S32750 S32760

B 463 Gr. N08020

CodeCalc User's Guide

115

 

Nozzles Material Nominal Group Designation

Forgings

Castings

Plates

r-Cb 3.2

99.0Ni

B 160 Gr. N02200

B 162 Gr. N02200

3.3

99.0Ni-Low C

B 160 Gr. N02201

B 162 Gr. N02201

3.4

67Ni-30Cu 67Ni-30Cu-S

B 564 Gr. N04400 B 164 Gr. N04405

B 127 Gr. N04400

3.5

72Ni-15Cr-8Fe

B 564 Gr. N06600

B 168 Gr. N06600

3.6

33Ni-42Fe-21C B 564 Gr. N08800 r

B 409 Gr. N08800

3.7

65Ni-28Mo-2Fe B 335 Gr. N10665

B 333 Gr. N10665

54Ni-16Mo-15 Cr 3.8

60Ni-22Cr-9Mo -3.5Cb 62Ni-28Mo-5Fe 70Ni-16Mo-7Cr  -5Fe 61Ni-16Mo-16 Cr 42Ni-21.5Cr-3 Mo-2.3Cu

B 564 Gr. N10276 B 564 Gr. N06625 B 335 Gr. N10001 B 573 Gr. N10003 B 574 Gr. N06455 B 564 Gr. N08825

B 575 Gr. N10276 B 443 Gr. N06625 B 333 Gr. N10001 B 434 Gr. N10003 B 575 Gr. N06455 B 424 Gr. N08825

 ASME Co de Wel d T Typ yp e - Select the type of weld connecting the nozzle to the shell or head.

The type of weld can optionally be entered in this field. If it is a type A, B, C, D, E, F-1, F-2, F-3, F-4, G, X-1, Y-1, OR Z-1 weld, then CodeCalc  will not perform the weld strength calculations. The code exempts these calculations per paragraph UW -15 when one of the above weld classifications such as  A  is used. If it is a type I, J, K, L, X-2, Y-2, Z-2 weld, then CodeCalc  will perform the additional weld size calculations per UW-16(d)(1). UW -16(d)(1). Select None if you want the software to perform the weld strength calculations regardless of the type of welded geometry. Is this a manway or access/inspectio access/inspectio n opening?  - UG 45 states that if the opening is a manway or access opening, the minimum thickness requirement per UG-45 is not required. Checking this box will cause the software to bypass the UG-45 minimum nozzle neck thickness requirement. Perfor Perfor m Ar ea C Calculations alculations for Small Noz Nozzles? zles?  - Code paragraph UG-36 discusses the requirement of performing area replacement calculations when small nozzles are involved. The code states:

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CodeCalc User's Guide

 

 

Nozzles Openings in vessels not subject to rapid fluctuations in pressure do not rrequire equire reinforcement other than that inherent in the construction under the following conditions :  

3.5" fin finished ished opening in a shell or head with minimum req required uired thk. of .375 .375 inches or less

 

2.375" finished opening in a shell or head greater than minimu minimum m required thk. of .375





inches If your geometry meets this criteria and this checkbox is NOT checked, then no area of reinforcement calculations will be performed on this nozzle item. Is this com pressed air, water, or steam service? - Select if the vessel s under compressed air, steam, or water service. This causes the software to use a value of 3/32 instead of the 1/16 inch default per UG 16(b). By default for UG45 the program uses the value of 1/16 of an inch for minimum thickness considerations. Is this welded pipe?  - If the pipe is not seamless, then check this box. Note that this value is only used for documentation purposes and is not n ot used for any computations. Do not skip iterative failure thickness calcs.?  - If this box is checked then the software iteratively computes the maximum corrosion allowance and minimum wall thickness at which the failure occurs.  ASME L arg e Nozzl e Calc ul ati on Opt io n  - Select the large nozzle calculation option from the

list.

Shell/Head Ta Shell/Head Tab b Specifies parameters for shells and heads. Shell/Head Material Name - Specify the material name as it appears in the material specification of the appropriate code.

1. Click

to open the Material Database Dialog Box  (on page 437) page 437)..

The software displays the Material Database dialog box, which displays read-only information about the selected material.

2.

Select tthe he material that y you ou want to use from the list.

3.

The software displays the material properties. Click Select  to use the material, or click Back  to select a different diff erent material.

 

Alternatively, you can type the material material name as it appears in the material specification. If you type in the name, the software s oftware retrieves the first material it finds in the m material aterial database with a matching name.

 

To modify material properties, go to the Tools  tab and select Edit/Add Materials .





Type of Shell  - Select the type of shell for this shell section. The thickness of an elliptical head is analyzed as an equivalent spherical head, as specified in the Code, paragraph UG-37 (a). Similarly, the thickness of the spherical portion of a torispherical head is analyzed using the same paragraph.

You must enter the required thickness (below) under the following circumstances:

CodeCalc User's Guide

117

 

Nozzles  

Bolted Flat Heads  - Calculate the required thickness using the FLANGE module and enter it in. Additionally, the software automatically reduces the required area of reinforcement if you specify a flat head per UG-39(b)(1).

 

Any other geometry not covered by the program.





 As pec t Rati R ati o f or Ell ip ti cal Heads  - Enter the aspect ratio for the elliptical head. The aspect

ratio isthe theaspect ratio of theismajor m2.0. ajor axis to the minor axis for the ellipse. For a standard 2:1 ell elliptical iptical head ratio Inside Crown Radius for Torispherical Heads Heads  - Enter the crown radius for torispherical heads. The crown radius for a torispherical head is referred to as the dimension "L", in the ASME VIII Div. 1 Code.

This dimension is usually referred to as "DR" in many head catalogs. Even though the head catalogs list these heads as being "OD" heads, the crown radius is given on the inside diameter basis. See the illustration in the catalog and where the arrows for "DR" and "IKR" point to (the inside of the head). For more information, see Appendix 1-4 in the Code. Inside Knuckle Radius for Torispherical Heads - Enter the knuckle radius r for torispherical heads, according to ASME Section VIII Div. 1. 1 . This dimension is usually usuall y referred to as IKR in many head catalogs. Even though the head catalogs c atalogs list these heads as being OD heads, the knuckle radius is given on the inside diameter basis. See the illustration in the catalog and where the arrows for DR and IKR point to (the inside of the head). For more information, see

 Appendix 1-4 in the Code. Half Half Apex Angl e for Conical Section Section s  - Enter the half-apex angle for cones or conical sections. The maximum value of the half apex angle for cones under internal pressure and without toriconical transitions or discontinuity stress check is 30 degrees. The largest angle for cones under internal pressure and with toriconical sections or discontinuity stress check is 60 degrees. Typically the largest angle for cones under u nder external pressure is 60 degrees. If you exceed these values the program will run, ru n, but with a warning. In that case the user is encouraged to use the CONICAL module for a more detailed analysis.  At tac hm ent Fact or fo r Fl at Head  - Enter the flat head attachment factor, calculated or selected from ASME Code, Section VIII, Division 1, Paragraph UG-34, Figure UG-34. Some typical attachment factors display below, however consult Paragraph UG-34 before using these values:

0.17 (b-1)

Head welded to vessel with generous radius

0.20 (b-2)

Head welded to vessel with small radius

0.20 (c)

Lap welded or brazed construction

0.13 (d)

Integral flat circular heads

0.20 (e f g)

Plate welded inside vessel (check 0.33*m)

0.33 (h)

Plate welded to end of shell

0.20 (I)

Plate welded to end of shell (check 0.33*m)

0.30 (j k)

Bolted flat heads (include bending moment). m oment). To compute the required thickness of the bolted flat heads (type j and k), use the Flange module and

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CodeCalc User's Guide

 

 

Nozzles model it as a blind flange. 0.30 (m (m n o) Plate held in place by screwed ring 0.25 (p)

Bolted flat head with full face gasket

0.75 (q)

Plate screwed into small diameter vessel

0.33 (r s)

Plate held in place by beveled edge

Large Diameter Diameter fo r Nonci rcular Flat Heads Heads  - If you have a noncircular welded flat head, enter the large dimension in this field, and enter the small dimension di mension as the component diameter above. This value is used to compute the factor Z for noncircular heads. If the head is circular, enter the diameter here. Is thi s a Lateral Nozzle (Y-angle)? (Y-angle)?  - Y-angle or lateral nozzles can be specified in case of conical and cylindrical sections, by turning on this option. In this case, only the vessel-nozzle centerline angle needs to be specified. The following figure shows an example.

Figure 20: Vessel-Nozzle Angle

For users of versions prior to 6.40, the input specification for non radial and non hillside nozzles has changed. The current requirement is the angle between the centerline of the nozzle and the centerline of the vessel. Is thi s a Radial Nozzle? - Non-radial nozzles can be specified by entering the angle between the vessel and nozzle centerlines, and the offset from vessel centerline. This vessel-nozzle centerline angle can vary from 0 to a limiting value depending upon specific geometry. The following figure illustrates these dimensions.

CodeCalc User's Guide

119

 

Nozzles In this case the input for the offset off set dimension and vessel-nozzle centerline angle are optional, only required for the graphic and not for the analysis.

Figure 21: Radial Nozzle Angle

Hillside nozzles and some angular nozzles are subject to calculations to meet area requirements in both planes of reinforcement. In these cases CodeCalc C odeCalc automatically checks the area requirements in both the planes, using the corresponding lengths of the nozzle opening. For integral construction, the Code F correction factor of 0.5 will automatically be applied in the hillside direction. If the connection is pad reinforced, a value of 1.0 will be used. The F factor is used to account for the fact that the longitudinal stress is one half of the hoop stress. The use of the F factor is limited to nozzles located on cylindrical and conical sections.

Figure 22: Hillside Nozzle Angle

Offset Distance fr om Cylinder/He Cylinder/Head ad Centerline (L1) - Enter the offset between the nozzle no zzle and the center of the shell.  An gl e Bet ween Nozzl e and Shel l Cen ter li nes  - Enter the angle between the nozzle and shell. Shell Diameter Shell Diameter B asis  - Select ID for shell sections based on the inside diameter. Select OD for shell sections based on the outside diameter. Normally, for a flanged & dished torispherical tori spherical head, the inside crown or radius is equal to the vessel outside diameter.

For flat heads, this value is ignored. Refer to Fig. UG-34 for equivalent diameter d iameter of the head. For example, in case of most welded heads this is the diam diameter eter over which the pressure acts. For bolted heads with narrow faced gasket this is the diameter of the gasket reaction. For cones, the program expects the diameter of the cone at the point where the nozzle intersects the shell.