Saturday, April 5, 2025

Re: [MW:35506] WPS for Furnace PWHT

Dear Sir,

I am not clear about the question.

Is the question is "The welding is done without following a WPS having  PWHT and actually the joints need the same" is it?

May I know the material ?

Also if it is of Carbon Steel material, is PWHT requirment is there based on design or based on ASME 31.3?

Regards,

Hareesh K V

On Mon, 27 Jan, 2025, 11:57 am Prakash Kumar Bontra, <prakashbontra@gmail.com> wrote:
For furnace PWHT as per ASME B 31.3 all the joints in the spool (1" to 36") need PWHT approved WPS and where to refer?

Prakash Bontra

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Re: [MW:35507] WPS for Furnace PWHT

As per ASME B31.3, Clause 331.1.6 (b): Any required PWHT shall be carried out in accordance with the qualified WPS. For furnace PWHT inv...