[MW:23815] PWHT as per ASME B31.3-2014

pl. read the link

https://groups.google.com/forum/#!searchin/materials-welding/B31.3$2BPWHT/materials-welding/C7TRV2zg3Bk/6OR-EMAiCAAJ

On Wednesday, 28 October 2015 11:51:28 UTC+4, Himan Nikdin wrote:

Dear Experts,

Good Day!!

I have a query regarding PWHT requirements as per ANSI B31.3-2014.

As referred in table 331.1.1 all P.No 1 material shall be subject to PWHT regardless thickness and in table 331.1.3 exemptions to mandatory PWHT mentioned which providing 95ºC preheat applied on material with nominal thickness over 25mm, PWHT can be exempted.

Does it mean "for material with nominal thickness less than 25mm, PWHT is not mandatory"?

Appreciated if you share your valuable ideas.

Regards,

Himan Nikdin

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