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The base metal is P.No.8, the weld metal is A . No.8-9, and the wall thickness is 1”, what is the hold time for heat treatment
The base metal is P.No.8, the weld metal is A . No.8-9, and the wall thickness is 1”, what is the hold time for heat treatment
A. None
B. 1 hour
C. 2 hours
D. ½ hour for each 1” thickness
Answer: A
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