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PWHT Temp range

thread286-517276

PWHT Temp range

PWHT Temp range

(OP)
Hello All,

I have a PQR with 635 deg C PWHT temp for 1 hour/inch Soak for P No. 1 material

Can I use this to write a WPS with 600 deg C soak temp for 90 Mins soak time. with supplementary impact test required?

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