Dear Experts,
-- We have received some sour service flanges (NACE MR-0175), These flanges are impact tested at 20 degree Celsius by the manufacturer.
Our specification calls as below.
" All Carbon steel materials of thickness greater than 12.7 mm must be impact tested at minus (-29 degree Celsius) in accordance with ASME B31.3 (para 323.3)"
The design temperature of the line is 50 degree Celsius.
Do i need to get the flanges tested at -29 degree Celsius to fulfill the specification.
Experts please advise.
Thanks,
Kiran
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