No need, pls refer governing thickness specified in B31.3
Regards,
On Sat, 4 Jan 2020 at 8:37 PM Chiranjeevi A <chiranjeevipuvvula@gmail.com> wrote:
Dear Raghuram Bathula,The main run pipe 20" is having thickness of 31.mm and being subjected to PWHT.A dummy leg (12") is welded to the main pipe as dummy leg. pls confirm that, do we require PWHT at this joints as highlighted in below snap--
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