Re: [MW:31610] POST HEATING OR dehydrogenation heat treatment

Sir,

Now i'm doing POST HEATING ON WELD AFTER WELDING AT 350deg cel. for 30 min.  But could you tell me which code it mention.

Waiting for experts response.

BEST REGARDS,

NIKHIL THOMAS JOY

IWI LIMITED 

ADNOC-WHRP

0544975526

On Sat, Oct 24, 2020 at 6:42 PM Jamie Reyes <jamiejrmachineco@gmail.com> wrote:

PWHT is determined by the thickness of the material. Depending on how thick the material is will determine if Post weld heat treat is needed. To refer you to a certain code without knowing the code of Construction would only be guessing. There is more caveats involved, but without knowing more information, this  is as far as I can go. Refer to the correct code of construction for the fabrication involved.

On Sat, Oct 24, 2020 at 7:06 AM NIKHIL THOMAS JOY <nikhil.thomasjoy@gmail.com> wrote:

Dear friends,

Greetings of the day,

I would like to check the post heating details for pipe welded joints for alloy materials.

Please share in which code its available to refer.

My main concern , there is any need to mention post heating in wps or pqr.

if yes, in which code its mention.

Waiting for experts advice.

 

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Regards,

Jamie Reyes

J.R. Machine Company, Inc.

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