Re: [MW:28173] Interpretation: IX-01-17

thanks jose for your reply, 

so, there is no limitation on thickness.. in this scenario when PWHT exceeding upper transformation temperature...

On Sat, Aug 4, 2018 at 8:24 PM, José Juan Jiménez Alejandro <jjjimeneza@gmail.com> wrote:

Only with this argument you have a problem, in the 2017 Edition this paragraph (QW-407.4) WAS DELETED!.

See attached.

El sáb., 4 ago. 2018 a las 2:16, Aslam Khan (<aslamkhan15@gmail.com>) escribió:

Dear Experts,

Is interpretation: IX-01-17 is still valid, if not, then how it affects this interpretation.

Intepretation: IX-01-17

Background: A groove weld procedure qualification test coupon 1.5 in. thick was welded with SMAW process using multiple passes of 1/2 in. thickness. The coupon was given a subsequent PWHT exceeding the upper transformation temperature prior to the completion of mechanical testing .

Question: May this PQR be used to support  the weld of partial penetration groove welds per QW-202.2(b) or weld repair and build-up welds per QW-202.3(b) on base material thickness exceeding 1.65 in.

Reply: No. Per QW-407.4, a procedure qualification test coupon receiving a PWHT in which the upper transformation is exceeded, the minimum qualified thickness for production welds is 1.1 times the thickness of the test coupon.

Regards,

Aslam Khan

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