Re: [MW:14975] Need PWHT IN TEST pice

Please refer clause nos. QW353 and QW356 of ASME Sec.IX. PWHT is not
an essential variable for welder performance qualifications, hence not
required to do PWHT for test coupons.
Anjan

On 7/28/12, Santosh Patil <raj.san23@gmail.com> wrote:
> Dear weld expert
>
>
> I have a one Question that is in welder test P91 Material with welding
> process gtaw for root and smaw for fillup and caping.
> Preheating also given 250 degree. After cmplete the test pice can it is
> necessary do pwht for welder qualification and Ndt process .
>
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The views expressed/exchnaged in this group are members personel views and meant for educational purposes only, Users must take their own decisions w.r.t. applicable code/standard/contract documents.