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PWHT Temp range

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Avi_Weld

Avi_Weld

Mechanical
Nov 24, 2023
5
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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