Not required when item is subjected to PWHT/PFHT below the lower transformation temperature of steel.
From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of Qamlr
Sent: Friday, December 11, 2009 10:31 AM
To: materials-welding@googlegroups.com
Subject: [MW:3816] simulation test coupon
Dear All
Have a good day.
We would like to have clarification on the requirement on the simulation test coupon under following cases
1. When vessel is under PWHT, plates, pipes, flanges require simulation test coupon
No
2. Simulation test coupon is applicable only for normalising plus PWHT. ( UCS 85 requirements confusing)
Yes
Quick response will be help ful
Regards
Prashanth Hegde
Head Quality
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