Engineering Materials
The temperature required for full annealing in hypereutectoid steel is

30° C to 50° C above lower critical temperature
30° C to 50° C above upper critical temperature
30° C to 50° C below lower critical temperature
30° C to 50° C below upper critical temperature

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Engineering Materials
A coarse grained steel

Is more ductile and has a less tendency to distort during heat treatment
Is more ductile and has a greater tendency to distort during heat treatment
Is less tough and has a less tendency to distort during heat treatment
Is less tough and has a greater tendency to distort during heat treatment

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