Tuesday, September 27, 2016

Re: [MW:25457] Welding of Dissimilar Thickness & Dissimilar P number

It is possible for all P nos if the thickness of the thinner metal is within the range of QW-451. In case of Pno 1, if the coupon was thicker or equal of 38 mm, there is no limitation for the thickness of the thicker metal. Otherwise the thicker metal has to be within the limits of QW 451.
The no limitation on the thickness of the thicker metal in case the coupon was 6mm or greater, applies in the case of Ni, Ti, and Zr alloys

2016-09-20 8:17 GMT+03:00 Vijay Katkar <katkar.vijay22@gmail.com>:
Dear Expert,

Need your guidance,

I have PQR with P1 to P43 with 10 mm thickness,

Can i use this PQR for Joint with 10 mm (P1) & 45 mm (P43) under following clause?

Clause no QW 202.4.



Thank you 

Vijay Katkar   

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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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