a post fabrication anneal(850-900 deg C)applied for stabilized stainless
steels to improve the post fabrication corrosion resistance.
If you could provided more details, I could write to more about the pros and
cons of this method.
Thanks.
Pradip Goswami,P.Eng.IWE
Welding & Metallurgical Specialist & Consultant
Ontario,Canada.
Email-pgoswami@sympatico.ca,
pgoswami@quickclic.net
-----Original Message-----
From: pradip kumar sil [mailto:pradipsil@gmail.com]
Sent: Wednesday, October 26, 2011 2:17 AM
To: materials-welding@googlegroups.com
Cc: pgoswami
Subject: PWHT in TP 321
Dear Everybody,
First of all Wise you a happy diwali to you & your family.
In my project specification says ASTM A 312 TP 321 has PWHT. My question is
why we will do TP 321 needs to do PWHT because this material have high Cr/Ni
as well as Ti.
Regards
Pradip
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