Re: [MW:25070] PWHT confirmation

You can prove with hardness test .

PWHT is doing for reduce hardness and relies residual stress.

if hardness value is below the max limit that means pwht done.

Regards

a p gupta

Sent from Yahoo Mail on Android

On Mon, 4 Jul, 2016 at 7:30, muthu barathi

<muthu_barathi@rediffmail.com> wrote:

Hi experts,

Contractors carried out the PWHT and graphs available with correct data's.  Due to urgency the contractor has painted and erected. It is CS material.
Now the owner rejected the reports and asking for PWHT again.

Please send me your best answer  if the PWHT is carried again , whether it will affect the welding and material properties and how to prove that PWHT  has been carried out.  How many times the PWHT could be carried out repeatedly.

Please send your replies.

Thanking you.

With Regards,

Muthu Barathi P.

Sent from RediffmailNG on Android

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