WELDING PROCEDURE SPECIFICATION

TM 5-5420-279-23

WPS No. 0107

WILLIAMS FAIREY ENGINEERING LTD.

APPROVAL REPORT:

WELDING PROCEDURE SPECIFICATION - WPS NO: 107

W.P.A.R. No: 005

Approved by:

Sheet No: 1

Issue: 1

Date: 08-08-02

K.L. No: 9667

Primary Specifications:

Material Specification:

Material Dimensions.

BS EN 729

BS EN 10025 Grade S235 to

Thickness: 3 to 8mm

S275

Pipe Dia: N/A

Type Of Joint:

Welding Process:

Welding Position:

Butt and fillet weld

Manual M.A.G.

Butt weld PA. Fillet weld

PA/PB

Run Sequence & Weld Dimensions:

Joint Preparation:

Preparation Method: Weld areas to be degreased and scale and paint removed

Welding Details:

Wire feed

Travel

Heat

Size of filler

Type of

Run No.

Process

Current A

Voltage

Speed

Input

metal

Current

M/Min

mm/Min

J/mm

M.A.G.

1.2mm

120 - 310

17 - 28

DC + VE

3.0 to 8.0

N/A

Additional

M.A.G.

1.2mm

120 - 310

17 - 28

DC + VE

3.0 to 8.0

N/A

runs

Filler Metal Classification & BS 2901 PT 4 TYPE A18. AWSA5. 18. 93.

Gas Type Shielding: Argon

Gas flow Shielding:

Tungsten Electrode Type:

+12% CO2

15 - 18 L/MIN

N/A

Backing: N/A

Size: mm N/A

Details of Back Cutting / Backing:

Preheat Temperature:

Interpass temperature:

Transfer Mode: Spray

Min +5C

200c

Other Information:

Dress or remove all unsound tack welds

Appendix K Page 82