Tuesday, March 22, 2016

Re: [MW:24566] PWHT of branch connections.

the code use the term "shall" (in other sections also).
To the best of  my knowledge no execption

2016-03-18 4:03 GMT+02:00 Hareesh K V <hareesh13h@gmail.com>:
Dear Sir,

As per ASME B31.3, for branch connections, PWHT is to be done for the entire circumference of main pipe. Is there any exceptions/code interpretations for that, in Carbon steel material or Alloy steel material (SA335 Gr P9,95)?

For example: A 3/4" branch is done on the main pipe of 60" dia. As per the code requirement, the entire 60" dia is to be wrapped with coil and PWHT is to be done.

Thanks in advance.

Regards,

Hareesh K V
+91-8547859202

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Hareesh K V
+91-9447625012


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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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