Q162
The heat treatment process in which heating of steel is done to a temperature above the A3 temperature and it between 1000 - 1200°C and hold is for long time 10-20hr and followed by cooling is called
A.
diffusion annealing
AnswerB.
Process annealing
C.
Full annealing
D.
subcritical annealing
Answer: Option A
Solution
Answer: Option A
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