Re: [MW:19877] Requirement of Solution Annealing for SS DIshed head after forming

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I suggest you have a look on ASME BPVC Section VIII - Div 1 Part UHA and more particularly UHA-44.

best regards

Dr. Georgios Dilintas

Authorized Nuclear Inspector
Authorized Inspector Supervisor
API 510 Inspector

I&F REGIONAL TECHNICAL MANAGER
BUREAU VERITAS HELLAS

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Krishnnaa26 ---16/01/2014 05:09:44---Hi mr. Jignesh I have come across some failure cases of austenitic stainless steel dished ends due t

From: Krishnnaa26 <krishna.bhpvteam@gmail.com>
To: materials-welding@googlegroups.com
Date: 16/01/2014 05:09
Subject: Re: [MW:19870] Requirement of Solution Annealing for SS DIshed head after forming
Sent by: materials-welding@googlegroups.com

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Hi mr. Jignesh
I have come across some failure cases of austenitic stainless steel dished ends due to high hardness.
Now the issue is there are some ASS equipment intended to use in h2s service in a petrochemical plant. Few equipment delivered and hardness check on production dished ends revealed > 300BHN. Is it advisable to  do stress relieving of the delivered equipment at site at 400ºC for one hour.
Krishnnaa

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