Sunday, April 14, 2013

RE: [MW:17377] PWHT for Gr. P91/P22/P11 during welder qualification

Sir,

If so what about the chances of getting cracks .

 

S.Binoy

 

From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of veera raghava kommisetti
Sent: Wednesday, April 10, 2013 2:25 PM
To: materials-welding@googlegroups.com
Subject: Re: [MW:17343] PWHT for Gr. P91/P22/P11 during welder qualification

 

Not required..

 

 

On Wed, Apr 10, 2013 at 12:48 PM, Binoy Soman <binoy.spp@daelim.co.kr> wrote:

Dear experts,

 

We know that PWHT can be avoided for  welder qualification (Ref:QW-301.2) even if WPS has PWHT. My doubt is whether it is required to do PWHT while performing welder qualification for Gr. P91/P 22/ P11. Kindly clarify.

 

S.Binoy

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