Friday, January 25, 2013

Re: [MW:16594] Requirement of controll heating & cooling in PWHT

Hi!
Heating and cooling rate is very  important from Distortion point of view
One has to apply his judgement It depends upon Type of material, Thickness variation,Intrigity of varisous connection, Length of the eqpt etc,Incase of orm and Heat Exchanger It is still vary critical to maint unform heatdsing and cooling rate to avoid any mishap like crack , bending of Tubes
Regards
 
Hegde P.B.

From: Indranil Ganguly <indragan2013@gmail.com>
To: materials-welding@googlegroups.com
Sent: Thursday, 24 January 2013 10:24 AM
Subject: [MW:16589] Requirement of controll heating & cooling in PWHT

Dear Experts,
 
I wanted to know why we do controll heating and cooling for CS & AS materials.
Is it the requirement of properties?
Please guide me with code references.
 
Thanks & Regards
Indranil
 
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