FCAW - WPS

WELDING PROCEDURE SPECIFICATION WPS - 3500-D1.8-1

REV. NO.: 0

WELDING PROCESS: FCAW

and FCAW

SUPPORTING PQR: 3500-D1.8-1- 2G

DATE: 6/18/2008

**APPLICABILITY**

AWS: X OTHER: AISC 341-05 Demand Criti

ASME:

3500-D1.8-1- 3G

3500-D1.8-1- 4G

JOINT: This WPS shall be used in conjunction with the General Welding Standards (GWS) and Welding Fabrication Procedure (WFP) sections and criteria for joint details, repairs, NDE, inspection etc. Weld Joint Type: Groove & Fillet Welds

Class:

Full & Partial Penetration

Preparation:

Thermal/Mechanical

Backing:

With

Backing Mat.:

Metal or as specifed

See GWS 1-06 and WFP's for joint details Root Opening:

3/16 - 3/8

Backgrind root:

When required

Bkgrd Method:

Grind or Arc gouge

GTAW Flux: N/A

FILLER METALS A No:

1

Insert: N/A Flux: Type:

Backing Retainer: N/A

E71T-8-H16

Class:

SFA Class:

5.20 an

Insert Desc.:

N/A

5.20

6 an

F N o:

6

Size: 1/16

Size: N/A

P/S No. 1

Spec. AWS Group I Qualified Pipe Dia. Range: ≥

AWS:

24

Qualified Thickness Range:

AWS:

0.125

QUALIFIED POSITIONS:

AWS: All

.0250

AWS Balance:

0.125 thru

99.00

ASME Root Pass:

thru

ASME Balance:

thru

99.000

th r u

550 °F

Gas Composition:

Preheat Maintenance:

50 °F

Gas Flow Rate cfh: Backing Gas/Comp:

°F

Backing Gas Flow cfh:

°F

Trailing Gas/Comp:

Signatures on file at ENG

Grade:

ASME:

ASME:

Interpass Max. Temp.:

APPROVAL:

Gr No.

SME:

GAS: Shielding:

to

to: P/S No. 1

to: Spec. AWS Group I or II

50 °F

Temp. Range:

1/16

.0125 thru

Gr No.

Grade:

PWHT: Time @ °F Temp. N/A

1/16

AWS Root Pass:

Filler Metal Note: Welder shall use Lincoln 1/16" Intershield NR-233 w ire

Preheat Min. Temp.:

1/16

Weld Metal Thickness Ranges:

N/A

BASE MATERIAL

E71T-8-H16

and

thru

Vert. Up

Vert. Prog.:

N/A /

N/A

or /

%

/

to

/

%

to

N/A

N/A %

to

0%

N/A DATE:

6/18/2008

WPS NO: NO: 35003500-D1 D1.8.8-1 1 WELDING CHARACTERISTICS: Monday, June 23, 2008

Page 1 of 2

Current:

DCEN and DCEN

Ranges: Amps

185 to

310

Volts

17 to

23

Fuel Gas: N/A

Tungsten Type: N/A Tungsten Dia.:

Transfer Mode: Globular

N/A

Pulsing Cycle: N/A

to N/A

Background Current: N/A

Flame: N/A

Braze temp. °F N/A

to N/A

WELDING TECHNIQUE: For fabrication specific requirements such as fittup, cleaning, grinding, PWHT and inspection criteria refer to Volume 2, Welding Fabrication Procedures Technique: Semi-Automtic Single Pass or Multi Pass:

Cleaning Method:

Multi

Stringer or Weave bead (S/W):

0 to 20

GMAW Gun Angle °:

S or W

Oscillation:

.750 - 1.125

GMAW/FCAW Tube to work distance: Travel speed: Varies

Maximum K/J Heat Input:

3x

Forehand

Forehand or Backhand for GMAW (F/B):

True

No Pass >1/2":

Wire brush, grinder, chipping Hammer

Gas Cup Size: N/A

PROCEDURE QUALIFIED FOR: Charpy "V" Notch: Yes

Nil-Ductil Transition Temperature: No

Dynamic Tear: No

Comments: This WPS is specifically qualifed for Demand Critical welds required by AISC 341-05 & AWS D1.8 Siesmic Welding including qualified for Charpy-V-Notch in weld metal to 24 ftlbs@ -20°F. HAZ +1mm qualifed to 38 ftlbs@+50 F°. HAZ +5mm is qualified to 32 ftlbs@ +50 F°.

Weld Layer

Manual Process

Filler Metals

1 2 3 4 5 6

FCAW

Size

Amp Range

Volt Range

E71T-8-H16

1/16

185 to 225

17 to 19

4 to

6

FCAW

E71T-8-H16

1/16

205 to 235

18 to 20

5 to

7

FCAW

E71T-8-H16

1/16

210 to 255

19 to 20

5 to

7

FCAW

E71T-8-H16

1/16

225 to 275

19 to 21

7 to

9

Nozzle Angle

Travel/ipm

0

Other

to 20

REM. * Weld layers are representative only - actual number of passes and layer sequence may vary due to variations in joint design, thickness and fitup. Use of LANL Welding Procedures and Welder Qualifications for non-LANL work shall be at the sole risk and responsibility of  the Subcontractor, and the Subcontractor shall indemnify and save LANL and the Government harmless from any and all claims, demands, actions or causes of action, and for any expense or loss by reason of Subcontractor's and their employees posession and use of LANL procedures and qualifications.

Monday, June 23, 2008

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