Dear Mahesh,
U cant prepare WPS for 7018-1 at -45 degree centigrade using the PQR at -30 degree centigrade. but the opposite case will be OK.
regards
Devin
在2015年09月11日 11:46，Mahesh Mirje 写道:
Hi expert's,
I have PQR with electrode E7018, AND IMPACT tested at -30deg. Lets say Observed energy values 20J
Can I make wps with E7018-1, FOR IMPACT REQUIRMENT at -45 deg.required energy values 20j,
AS per ASME weld metal produced by 7018-1, will provide 20j at -45 deg.
And HAZ ENERGY VALUES CAN BE CONTROLLED BY RESTRICTING HEAT INPUT.
Pls, clarify can I prepare wps for 7018-1 at -45 by restricting heat input as same used in 7018 PQR.
Regards
Mahesh
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