[MW:25130] Re: Intermediate stress relief treatment

Hi Mr.Neilash Kumar,

If you are doing Vessel you have to check with API RP-934 A.There is mentioned requirements of dehydrogenation treatment  (post heating).

On Thursday, April 7, 2016 at 11:09:18 AM UTC+3, neilash kumar wrote:

Dear All, 

Good Day ! As per our client aramco , insisting us to do dehydrogenation treatment for P11 material after welding completion for four hours prior to PWHT.

Please clarify whether post heat maintainence for 4hours is mandatory for fillet weld.

As per our WPS  I am doing it for  groove joints , it is clad vessel for 145 inch diameter ... 

Above that insulation and pad welding Accor , is there any clause given in ASME section states that post heat maintainence is not required for P11 material.

As per aramco standard SAESW014 General it is given

P.NEILASHKUMAR 

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