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

View Answer

Answer: A