Rate of cooling and rate of heating shall be as per sec same sec 1.
Below 300 deg c, air cooling can also be done.
Regards,
Ram
Below 300 deg c, air cooling can also be done.
Regards,
Ram
From: Gopi Nath
Sent: 17-12-2015 12:03 PM
To: materials-welding@googlegroups.com
Subject: [MW:23977] Reg: post welding heattreatment
Sir,
I want to know which standard insist furnace cooling for PWHT
for P1 material
With regards
Gopi
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