WELDING PROCEDURE SPECIFICATION

TM 5-5420-279-23

WPS No. 0012

WILLIAMS FAIREY ENGINEERING LTD.

APPROVAL REPORT:

WELDING PROCEDURE SPECIFICATION - WPS NO: 012

W.P.A.R. No: 26

Approved by:

Sheet No: 1

Issue: 2

Date: 20-06-97

K.L. No: 10510

Primary Specifications:

Material Specification:

Material Dimensions.

BS EN 729

DGFVE 232B

Thickness: 5 to 7mm

Pipe Dia: All

Type Of Joint:

Welding Process:

Welding Position:

Fillet weld

Manual M.I.G.

PA/PB/PF

Run Sequence & Weld Dimensions:

Joint Preparation:

Preparation Method: Weld areas to be degreased and wire brushed before assembly

Welding Details:

Wire feed

Travel

Heat

Size of

Type of

Run No.

Process

Current A

Voltage

Speed

Input

filler metal

Current

M/Min

mm/Min

J/mm

M.I.G.

1.6

230 - 270

22 - 28

DC + VE

7.5 TO 10

Filler Metal Classification & Trade Name: BS 2901 PT 4 TYPE 5556A

Gas Type Shielding: Argon

Gas flow Shielding:

Tungsten Electrode Type:

Backing: N/A

45/55 cu/ft/hr

N/A

Backing:

Size: mm

Details of Back Cutting / Backing: N/A

Preheat Temperature:

Interpass temperature:

Transfer Mode: Spray

Min +5C

50C

Other Information: Use crater filling settings on PAC 8 as required.

Dress or remove all unsound tack welds.

Appendix K Page 68