Welder Qualification Combination

[Babur Khan]

Dear Experts,

We have a confusion detail below.

We have Qualified Welders for different WPS, Process, Diameter and thickness range.

1)  Welder Qualified on CS OD 2" and Thickness 5.54(11.08) GTAW Process.

2) Same Above welder qualified above OD 2" and Thickness 12.7(25.4)      GTAW+SMAW Process.

Now We have 2" Pipe Thickness 11mm and 15mm and WPS Detail below

GTAW 9mm qualification.

GTAW+SMAW 25.4mm.

We can use above welder for 2" pipe with 15mm Thickness?

Regards,

Muhammad Babur Khan Lashari
Sr. QA/QC Inspector

(CSWIP 3.1 / CWI II From PWI) 

 Khaled Juffli Industial Company

Mob: + 966 56 2179280 / 58 2774568

PAK : + 92 334 6186285

Skype: babur.lashari

E-Mail: babur...@kjgroup.com

[George Dilintas]

When a welder is qualified for two processes with a single coupon, the deposited weld metal thickness has to be recorded separately for each process

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Dr. Georgios Dilintas,

Dipl. Ing. In Aeronautic and Space Engineering

Ph.D in Mechanics of Solids - Computational Mechanics

A.I.S, A.N.I, IRCA Lead Auditor

Welding, Stress Analysis, Corrosion, QA/QC, Failure Analysis, Risk Analysis

[Manoj Singh]

No ,if your spec says  full gtaw for 2" and below size

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