1.

The temperature required for full annealing in hypereutectoid steel is

A. 30° C to 50° C above upper critical temperature
B. 30° C to 50° C below upper critical temperature
C. 30° C to 50° C above lower critical temperature
D. 30° C to 50° C below lower critical temperature
Answer» D. 30° C to 50° C below lower critical temperature


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