Re: [MW:32906] P91 - Repair Welding and PWHT

Check PW-40 in Section I of ASME, 

Στις Πέμ 17 Φεβ 2022 στις 5:22 π.μ., ο/η pradip kumar Sil <pradipsil@gmail.com> έγραψε:

Hi Satish,

ASME code is silent regarding this issue. Better go for client specification.

Regards,

Pradip

On Wed, Feb 16, 2022 at 11:23 AM 'james gerald' via Materials & Welding <materials-welding@googlegroups.com> wrote:

Please see a snap shot below from API 938B about Repair.

Thanks & Regards

J.Gerald Jayakumar

On Tuesday, 15 February, 2022, 07:12:54 am GMT+4, Sathish V P <sathishvp86@gmail.com> wrote:

Dear All,

We have a scenario where the SA335P91 - Weld joint had 3 repairs and PWHT Cycles.

Is there any code reference to limit the number of repairs / PWHT in the P91 weld joints or what permissible times PWHT could be done on the same joint.

In this case - Pipe MOC - SA335 P91 - NPS 4 and 13.89mm thick.

Thanks,

Sathish

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Dr. Georgios Dilintas,

Dipl. Ing. In Aeronautic and Space Engineering

Ph.D in Mechanics of Solids - Computational Mechanics

A.I.S, A.N.I, IRCA Lead Auditor

Welding, Stress Analysis, Corrosion, QA/QC, Failure Analysis, Risk Analysis

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