WELDING PROCEDURE SPECIFICATION

TM 5-5420-279-23

WPS No. 0102

WILLIAMS FAIREY ENGINEERING LTD.

APPROVAL REPORT:

WELDING PROCEDURE SPECIFICATION - WPS NO: 102

W.P.A.R. No: 77

Approved by:

Sheet No: 1

Issue: 1

Date: 05-08-02

K.L. No: 11874

Primary Specifications:

Material Specification:

Material Dimensions.

BS EN 729

DGFVE 232B

Thickness: 3 to 6mm

Pipe Dia: N/A

Type Of Joint:

Welding Process:

Welding Position:

Fillet weld

Manual pulsed M.I.G.

PA/PB

Joint Preparation:

Run Sequence & Weld Dimensions:

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

Pulsed

1.2mm

150 - 215

22 - 28

DC + VE

9.0 - 12.0

M.I.G.

100Hz -

110 Hz

Filler Metal Classification & BS 2901 PT 4 TYPE 5556A

Gas Type Shielding: Argon

Gas flow Shielding:

Tungsten Electrode Type:

Backing: N/A

35 - 45 cu/ft/hr

N/A

Backing: N/A

Size: mm N/A

Details of Back Cutting / Backing: N/A

Preheat Temperature:

Interpass temperature: N/A

Transfer Mode: Pulsed/spray

Min +5C

Other Information:

Dress or remove all unsound tack welds

Appendix K Page 79