John Henning explained very clear:
Yes you can. However, if your WPS states that the filler metal per essential variable QW-404.5, will meet the Table QW-422 A-No. 1 chemistry limits, you will have to note that the Mn and Si must be 1.60 and 1.0 or less respectively. You need to do incorporate this restriction as the SFA classification permits ER70-S6 to exceed the A-No. 1 limits
Confirmation on the AWS forum.Please check.
On Thursday, 6 June 2019, 14:40:41 GMT+3, George Dilintas <dilintas@gmail.com> wrote:
you cannot. No A number matches composition of ER7-S-6 becuase of Mn, You need a new PQR
Στις Δευ, 3 Ιουν 2019 στις 5:18 μ.μ., ο/η K K <karan.hbl@gmail.com> έγραψε:
Dear All,--My PQR is qualified with ER70S-2.Can I use ( Mention) ER70S-6 in WPS.RegardsKiran
https://materials-welding.blogspot.com/
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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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