After PWHT, if the welding is added , that means you have to discard residual stresses which occured due to additional welding.
Hence, you have to go for Re-PWHT , refernce ASME 31.3
On 15 July 2016 at 01:41, Krisanu Bhunia <krisanu.bunty@gmail.com> wrote:
--Dear sir,In clean out door in tank we found welding not sufficient after PWHT.(A 537 CL1)SO, now need to welding again . PWHT again doing or can avoid it by which code ?Regardskrisanu bhunia
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