wps saw

ANNEX N

AWS D1.1/D1.1M:2010

MODERN PREFAB SYSTEMS PVT. LTD. WELDING PROCEDURE SPECIFICATION (WPS)

Company Name: Modern Prefab Systems Pvt. Ltd.

Identification #

NA

Welding Process

Revision 00

Date: 16/04/2012

SAW

Supporting PQR No.

.

NA

.

JOINT DESIGN USED

Authorized by

Date: 16/04/2012

Type- Manual

Semiautomatic

√

Mechanized

Automatic

Type:

√

Single

POSITION

Double Weld

Backing: YES

√

NO

Backing Material Root Opening

Position of Groove:

NA

. Fillet:

Vertical Progression: Up

NA

.

Down

2- 3 mm

Electrical Characteristics

Root Face Dimension 2-3mm Radius (J-U) NA

Groove Angle: 65 ± 5º Back Gouging: Yes

√ NO

Transfer Mode (SAW)

Short-Circuiting

Method Grinding

Globular Current: AC

BASE METALS

DCEP

√

DCEN

Other _____________

Material Spec.

IS 2062

Type of grade

Grade A

Thickness:

1G

Spray PULSED

__________________

Tungsten Electrode (GTAW)

Groove 12mm to 25mm Fillet NA

Diameter (Pipe)

√

Size: _____NA

 __

Type: ____NA

___

NA

TECHNIQUE FILLER METALS

Stringer or Weave Bead:

AWS Specification AWS A 5.17

Multi -Pass or Single Pass (per side)

AWS Classification EL - 8

Number of Electrodes Electrode Spacing

SHIELDING Flux

NA

.

Gas

CO2

Composition Electrode-Flux (Class) Flow Rate

. 100%

F-7A4-EL8

Peening

. SINGLE

.

One

.

Longitudinal

NA

Lateral

NA

Angle

NA

. Contact Tube to work Distance

10 to 20 L/hr

Gas Cup Size

STRINGER

19 - 25MM

.

NA

Interpass Cleaning:

.

CHIPPING, BRUSHING or GRINDING

.

15 - 25mm

POST WELD HEAT TREATMENT Preheat Preheat Temp. Min

NA

Interpass Temp. Min.

NA

. .

Max.

NA

Temp.

NA

.

Time

NA

.

. WELDING PROCEDURE

Pass or Weld Larer(s) 1

Filler Metals Class Process SAW

EL - 8

Diam.

Current Type & Polarity

3.15mm DCEP

Amps or Wire Feed Speed

300 - 400 A

Travel Speed

Volts 2 5 - 33

(IPM)

Joint Details

8 - 12

65 ±5º

12mm

12mm

2-3mm