WPS-CuNi.xlsx

Proposed WELDING PROCEDURE SPECIFIC Joint-1

Joint Details(QW-402) Groove Design :

As shown in Joint Design

Joint Prepartion :

Flame cut, Grinding or Machined

Backing :

N/A

Backing Material :

N/A

Welding Process :

GTAW

Type:

Manual JOINT No.

Base metal(QW-403) P No. 34 Group No. N/A

To

J1

P No. 1 Group No. Any

Spec. Type & Grade - SB 466 UNS No.C70600/ Eq. to Same Thickness Range :

1.5 to 6.0 mm.

Pipe Dia. Range : Others :

All

Filler Metals(QW-404)

Fillet:

All

Fillet:

All

Root & Hot

Specfication ( SFA No.)

J2

For Joint No. J3 Fillet Size L = 0.7x

Subsequent

5.7

5.7

Groove Position:

AWS No:

ER CuNi

F No:

34

34

Fillet Position:

A No:

NA

NA

Preheat (QW 406)

Size of Filler Metal (mm) :

ER CuNi

Position(QW 405)

1.6

2.4

Weld metal Thickness Range;

Welding Progression:

Preheat . Min. InterPass Max.

Groove: GTAW/SMAW

3.0 mm

Fillet :

3.0 mm

Others

All

All

Post Weld Heat Treatment(QW-40

Electrode Flux (Class)

N/A

N/A

Temperature Range

Flux Trade Name:

N/A

N/A

Time Range

Consumable Insert:

N/A

N/A

Technique(QW-410)

Others :

N/A

N/A

String or Weave Bead

Gas(QW-408)

Shielding

Orifice or Gas Cup Size Gas

% Compn.

Flow L/min.

Argon

99.99 %

6 to 12

Trailing

N/A

Backing

Argon

N/A 99.99 %

Electrical Characterstics(QW-409) Current AC or DC:

N/A 10 to 20 Poalrity : GTAW-DCEN

DC

Initial and Inter Pass Cleaning Method of Back Gouging Weave Width Contact Tube To Work Distance Multiple or Single Pass(per side) Multiple or Single Electrodes

.

Amps(Range):

See Table

Tungesten Electode Size and Type:

Volts(Range) : See Table

Travel Speed(Range)

2.4 mm 2% Thoriated

Peening

Mode of Metal Transfer for GMAW:

N/A

Others

Electrode Wire Feed Speed Range:

N/A

Weld Layer(S) Root & Hot Subsequent Layers

Filler Metals

Process

Current

Class

Dia. Mm Polarity Type

GTAW

ER CuNi

1.6mm.

DCEN

GTAW

ER CuNi

2.4mm.

DCEN

GTAW

ER CuNi

2.4mm.

DCEN

CEDURE SPECIFICATION

Document no.

Joint-2

F/SPETCO/QC/03

Joint-3

BEVEL ANGLE A

ROOT GAP B

ROOT FACE C

350 +/- 50

0.8 - 2.4mm

1 - 2mm

450 +/- 50

2.0 - 4.0mm

1 - 2mm

For Joint No. J3 Fillet Size L = 0.7xT1 Unless otherwise noted in the drawings

ALL UPHILL ALL

150 C 1500 C N/A

st Weld Heat Treatment(QW-407)

mperature Range

tial and Inter Pass Cleaning

N/A N/A

Root String and other passes Weave 5 mm, 10 mm By Grinding or Wire Brushing N/A NA

ontact Tube To Work Distance

N/A

ultiple or Single Pass(per side)

Multiple

ultiple or Single Electrodes

Single

See Table N/A N/A

Volt Range

Travel Speed Range mm/min

80 - 100

10 to 14

45 - 60

100-120

10 to 14

70 - 90

100-120

10 to 14

70 - 90

Current Amps. Range

Remarks