Engineering Materials
The hardness is the property of a material due to which it

Can be rolled or hammered into thin sheets
Breaks with little permanent distortion
Can cut another metal
Can be drawn into wires

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

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

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