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Date

By : Praveen Rana

Welding Process(es)

CODE:   AWS DI.1

BASE METAL (QW-403)

P-No. Group No. P - No.: Group No.:

Specification type and grade: ASTM A106Gr. B, A53 GR. B, API 5L Gr. B or Eqivalent

To specification type and grade:

Chem. Analysis and Mech. Prop.:

To Chem. Analysis and Mech. Prop.:Fillet:

Fillet:

Fillet:

Pipe Dia. Range: Fillet:

Other(s):

JOINTS (QW-402)

FILLER METALS (QW-404)

MAINTENANCE DIVISION

Supporting PQR No. : ZMM-MD/PQR/001

Revision No. : 00

Types: MANUAL

GTAW SMAW

4

1

5.1

E7018

ø2.5/ø3.2/ø4 mm

 N/A

 N/A

 N/A

 N/A

-

2) No Autogeneous Welding

1) Filler Metal Product From:

Bare / Solid 

F-No.

A-No.

Spec. No. (Class)

AWS No. (Class)

Size of Filler / Electrode metals

Electrode- Flux (Class)

Filler wire / Electrode name

Consumable Insert

Joint Design:

Backing:Type:

Single V groove, Branch, Fillet, Socket Welds

GTAW (Root) - No / SMAW - YESWeld Metal & Base Metal for fillets

Details: See page 03 of 03

Base Metal:

Deposited weld metal:

Groove:

Groove:

Groove:

Groove:

5mm to 25.4mm Max.

GTAW = 6mm (Max)

SMAW = 19.4mm (Max)

≥ 2 7/8" NPS and above

1 1 & 2 1 1 & 2

As per ASME SEC II-A or Project requirement

As per ASME SEC II-A or Project requirement

ASTM A106Gr. B, A53 GR. B, API 5L Gr. B or Eqivalent

Revision No. : 00 Date Date

All

All

All

All

Other(s)

6

1

5.18

ESAB or any other brand approved

 by SAUDI ARAMCO

LINCOLN or any other brand

approved by SAUDI

ARAMCO

ER70S - 6

ø2.4 mm

PAGE 01 of 03

ZUHAIR MOHD. AL-MADANI EST.FOR ELECTRO MECHANICAL PROJECTS

Welding Procedure Specification No.

GTAW+SMAW

ZMM-MD/WPS/001

WELDING PROCEDURE SPECIFICATION (WPS)

This WPS is also applicable to other types of welds like Socket welds, Branch welds, Nozzle welds,

Pipe attatchments Welds etc.

ZMM/WPS/001

ASME IX ASME B31.3 Other: SES-W-11-F01, W05-F02

Company Name: Zuhair Mohd. Al-Madani Est.

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POSITIONS (QW-405) POSTWELD HEAT TREATMENT(QW-407)

Temperature Range:Up Time Range:

Heating Rate:

PREHEAT(QW-406) GASES(QW-408)

Preheat Temp.(min.):

Interpass Temp.(max.):

Preheat Maintenance:

ELECTRICAL CHARACTERSTICS(QW-409)

Mode of Metal Transfer for GMAW:

Electrode Wire Feed Speed Range:

Other(s):

Multiple Pass

Single Electrode

See Table

 N/A

PAGE 02 of 03

Wind velocity in the welding area for GTAW shall not exceed 8 km/h (2.2 m/sec

Orifice or Gas Cup Size:Initial and Interpass Cleaning:

Method of Back - Gouging:

Oscillation:

Contact Tube to work distance:

Multiple or single pass (As per side):

Multiple or Single Electrode:

Travel Speed (Range):

Peening:Other(s):

8 - 16 mmBrushing & Grinding

Whenever required Grinding and Backweld 

 N/A

 N/A

Date: Date:

85 - 100

 N/A

 N/A

 N/A

TECHNIQUE (QW-410)

String or Weave Bead: String & Weave: Max. Weave width: 3times of Electrode Dia.

DCCurrent (AC or DC):

Amps. (Range):

Tungsten Electrode Size and Type:2.4 mm, Tungsten Electrode 2% Thoriated. (Pure Tungsten, 2% Thoriated et

Volts. (Range):

Polarity: EN (SP) for GTAW, EP (RP) - SMAW

See TableSee Table

 If the ambient temperature is

less than 5°c, Preheat to 40°c

is mandatory.

Other(s):

10°    c

We undersigned certify that the information stated on this WPS conforms to the requirements of ASME Sec. IX

Reviewed By: Approved By:

Signature: Signature:

95 - 105 20 - 28 70 - 140

Capping SMAW E7018   ø2.5/3.2 DCEP 85 - 105 25 - 30 60 - 110

Fill-up SMAW E7018   ø2.5/ø3.2/ø4 DCEP

20 - 28 65 - 80

Hot-Pass GTAW ER 70S-6   ø2.4 DCEN 90 - 105 20 - 26 70 - 120

Root GTAW ER 70S-6   ø2.4 DCEN

Travel Speed

range(mm/min.)

Class Diameter (mm) TypePolarity

Amp. Range

Weld

Layer(s) Process

Filler Metal Current

Volt Range

Shielding Argon 99.99% 8 - 20

Trailing N/A N/A N/A

Backing N/A N/A N/A

ZUHAIR MOHD. AL-MADANI EST.FOR ELECTRO MECHANICAL PROJECTS

WELDING PROCEDURE SPECIFICATION (WPS)ZMM-MD/WPS/0

Gas

Precent

Composition

(Mixtures)

Flow Rat

(L/Min.)315°    c10°    c

Position Of Grove:Welding Progression:

Position Of Fillet:

Down

All

All

Cooling Rate: N/

 N/A N/A

 N/A

MAINTENANCE DIVISION

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PAGE 3 of 3

REV 00

SINGLE V GROOVE, BRANCH, FILLET & SOCKET WELD

BACKING : WELD METALS & BASE METALS FOR FILLETS.

ZUHAIR MOHD. AL-MADANI EST.FOR ELECTRO MECHANICAL PROJECTS

MAINTENANCE DIVISIONWELDING PROCEDURE SPECIFICATION (WPS)

ZMM-MD/WPS/001

JOINT DETAILS