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Manpreet Singh
Associate

Join Date: Aug 2010
Posts: 33

PWHT of TMCP Treated P460 ML1

01/19/2011 1:43 AM

Dear All,

Design code ASME sec viii, div 1,

Pig trap barrel material P460 ML1 (TMCP treated) , Thickness 40mm
welded to
A765 End closure, Thickness 60mm,

Since CE value of P460 ML1 is 0.46% and design code mandate PWHT with nominal thickness (40mm),

Can somebody give me an insight of PWHT effect on P460 ML1 mechanical properties and appropriate PWHT temperature?

Regards
Manpreet Singh
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Tornado
Guru
Technical Fields - Technical Writing - New Member Engineering Fields - Piping Design Engineering - New Member

Join Date: May 2009
Location: Richland, WA, USA
Posts: 21017
Good Answers: 795
#1

Re: PWHT of TMCP treated P460 ML1

01/19/2011 3:19 AM

PLease see subsequent thread.

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Manpreet Singh
Associate

Join Date: Aug 2010
Posts: 33
#2
In reply to #1

Re: PWHT of TMCP treated P460 ML1

01/19/2011 3:50 AM

Dear Tornado,

I could't find any answer, Can you please answer this query, it's very urgent.

Awaiting your comments.

Regards

Manpreet Singh
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PWSlack
Guru
United Kingdom - Member - Indeterminate Engineering Fields - Control Engineering - New Member

Join Date: Jan 2007
Location: In the bothy, 7 chains down the line from Dodman's Lane level crossing, in the nation formerly known as Great Britain. Kettle's on.
Posts: 32175
Good Answers: 839
#3
In reply to #2

Re: PWHT of TMCP treated P460 ML1

01/19/2011 10:50 AM

If it's urgent, rather than wait for a CR4 reader to respond, try talking to a local metallurgist, perhaps?

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Manpreet Singh
Associate

Join Date: Aug 2010
Posts: 33
#4
In reply to #3

Re: PWHT of TMCP treated P460 ML1

01/20/2011 3:22 AM

Well, this is not what I expected, since all my previous queries has been responded well.

As a QC Engineer, I needed this information in order to review the WPS/PQR, also the question asked is with regards to general "effect of PWHT on TMCP treated material", If somebody have comments, Please help me.

Regards

Manpreet Singh
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