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ASME B31.3 - ASME IX - PQR with PWHT & WPS without PWHT ?

ASME B31.3 - ASME IX - PQR with PWHT & WPS without PWHT ?

ASME B31.3 - ASME IX - PQR with PWHT & WPS without PWHT ?

(OP)
Hi everybody,

With ASME B31.3 as construction code and ASME IX as qualification code.
Could I use PQR with PWHT with a WPS without PWHT ?
The thickness range in the WPS don't require PWHT according to ASME B31.3.
NB: The other parameters in the PQR and WPS comply with ASME IX.

Thanks and excuse me for my bad english.

RE: ASME B31.3 - ASME IX - PQR with PWHT & WPS without PWHT ?

nacer16,
You will require separate PQRs - one with PWHT, one without.
See QW 407.1
Regards,
Kiwi

RE: ASME B31.3 - ASME IX - PQR with PWHT & WPS without PWHT ?

Kiwi is right, as usual. However, you can just make one long PQR coupon, and cut it in half after welding it out.  PWHT one half, leave the other "as-welded".

RE: ASME B31.3 - ASME IX - PQR with PWHT & WPS without PWHT ?

(OP)
Kiwi2671 & Duwe6

Thank you very much for your replies.

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