Dear Mr. Binoy:
If you are using bend test for qualification, chances are that it fails (without PWHT) but if you are qualifying your welders based on NDT (RT, UT etc.) it won't be a problem.Regards
Ramin Kondori
QC/Welding Engineer
IWE AT 0070
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On Wed, Apr 10, 2013 at 1:18 PM, Binoy Soman <binoy.spp@daelim.co.kr> wrote:
--Dear experts,
We know that PWHT can be avoided for welder qualification (Ref:QW-301.2) even if WPS has PWHT. My doubt is whether it is required to do PWHT while performing welder qualification for Gr. P91/P 22/ P11. Kindly clarify.
S.Binoy
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