Sunday, March 31, 2019

Re: [MW:29441] PQR & WPS thickness limits

Pl ref QW 451 for base metal and weld metal. Hope that u agree with base metal thickness ( T) range. For weld metal (t) thickness range is as follows, if deposited weld metal thickness is less than 19mm, then range is 2t. And deposited weld metal equal or greater than 19mm, then thickness range is 200mm. Thanks

On Sun, 31 Mar 2019 7:56 pm George Dilintas, <dilintas@gmail.com> wrote:
you are confusing the base metal thickness range and the deposited thickness range.
Those are two distinct essential variables 

Στις Σάβ, 30 Μαρ 2019 στις 6:59 π.μ., ο/η Nabeel <khan.nabeelahmed@gmail.com> έγραψε:
I have reviewed a PQR for GTAW+SMAW welding. Test coupon is 50mm thick with GTAW 25mm and SMAW 25mm welding. On the WPS thickness range is given as upto 200mm for both GTAW and SMAW.
How is this possible as more than 38mm test coupon qualifies for up to 200mm welding ??

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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

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