Thursday, December 26, 2024

[MW:35355] Application of Non PWHT WPS to PWHT vessel

Hello all,

I have a case for a U stamp vessel , Vessel designed initially with  no PWHT,  hence non PWHT wps applied throughout the production phase,  later the manufacturer converted vessel requirement to PWHT ! Manufacturer justifies since all other patemerts met the requirement othethan  PWHT , they intent to proceed for PWHT ! What's ASME position shall be here ?


Regards 

Vasagan 

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