Monday, May 11, 2020

Re: [MW:30862] PWHT Requirements and Material Selection

Refer Table 1 for NACE SP0472  for PWHT requirement and its exemption.

Thanks
Atul Khatri

On Sun, May 10, 2020 at 9:01 AM George Dilintas <dilintas@gmail.com> wrote:
In sour service there is a HIC risk. This risk is reduced if PWHT is done even the weld thickness is lower than the limits of UCS-56-1

Στις Τρί, 5 Μαΐ 2020, 07:28 ο χρήστης enginakgun55 <enginakgun55@gmail.com> έγραψε:
Hello,

We work on material selection about column materials (shell, head, skirt). If we use A-516 Gr.70 material in this project, does it require heat treatment for repair on the column during maintenance?


Production Properties : Sour Service , Distilation Column

Best Regards

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