WPS is prepared without PWHT with HARDNESS check in PQR .
-- It meets Hardness less than 248Hv10 along CE requirements as per SP0472
Std states that hardness Control shall be
1) CE control
and THERMAL TREATMENT - We intent to apply t8/5 concept.
We have to incorporate t8/5 in WPS as per Customer advice .
Can somebody throw light on SP0472 and t8/5 cooling time requirements / concept . How it is to be applied theoretically as well as practically during production usage
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