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anoopbindal
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Engineering Fields - Piping Design Engineering - New Member

Join Date: Mar 2009
Location: Mumbai
Posts: 41
Good Answers: 1

PWHT - Stainless Steel

09/14/2010 12:34 AM

Whether PWHT comes as a requirement or not in any grade of Stainless Steel irrespective of the service specially with regard to L grade? Also in case of which service PWHT comes in Stainless Steel & for which grade if any?

At least I have not seen any case. Thanx in advance

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piping_engineer
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Join Date: Jan 2010
Posts: 52
Good Answers: 2
#1

Re: PWHT - Stainless Steel

09/16/2010 5:45 AM

Generally PWHT is not required in Austenitic stainless steel, but it is required in Martensitic and ferritic stainless steel n normally depends on base metal thickness and the base metal.
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adriangan82
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Join Date: Sep 2010
Posts: 5
#2
In reply to #1

Re: PWHT - Stainless Steel

09/23/2010 1:51 AM

Brother, may i know which code involve this. As so far i haven't face this issue be4. Don't all the stainless steel under P8 in ASME??
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