Dear experts,
-- Kindly help me to clarify and explain the impact test requirements for procedure qualification (PQR)
Qus #1: P15E material (p91 A335) ferrtic alloy steel need to qualify is it required impact test ? How to check reference code B31.3 impact requirements table please explain
Qus# 2: regarding for PWHT requirements for mentioned material if it is impact test means PWHT range comes under essential so if PWHT 740 deg celuis doing PQR . Then WPS also same temperature required to perform PWHT? But b31.3 mentioned some ranges ex 700-800 deg celuis. I have doubt this ranges normally if essential variable means we need follow the value rather than range so PWHT how to I perform the PQR did temperature or b31.3 mentioned temperature ranges?
Please advise
Thanks and regards
Kannan Ponnikumar
QC Inspector
https://materials-welding.blogspot.com/
https://www.linkedin.com/groups/122787
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