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What is the holding time at 1100- 1200?
The base metal is P No.1, the weld metal is A No.1, and the wall thickness is 7/8”.
What is the holding time at 1100- 1200?F for heat treatment
A . 1 hour
B. 2 hours
C. 3 hours
D. Procedure is not required for this thickness
Answer: A
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