Re: [MW:25424] UT/RT

Dear Mr. Sundar,

It is a good engineering practice to perform non-destructive tests after 24/48 hours of welding to ensure there was no delayed cracks/ hydrogen induced cracks developed in welded joints.

It is generally applicable for low alloy steels like ( P5, P9, P11, P22, P91 materials) and ferritic steels.

This information is mainly specified in the welding related specifications of clients.

Thanks,
Best Regards,
Rajnish


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On Wed, 9/14/16, Sundar Kumar <sunkumarshine@gmail.com> wrote:

Subject: [MW:25392] UT/RT
To: "Materials & Welding" <materials-welding@googlegroups.com>
Date: Wednesday, September 14, 2016, 9:56 PM

Dear Experts,
  Is there any code reference that we should do
 UT/RT only after 24/48 hours of welding . We are following
construction code 31.3. Material carbon steel .
Thanks&Regards,Sundar 



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