Harden ability of steel is a measure of

1.	Harden ability of steel is a measure of
A.	the maximum hardness that can be obtained when it is austenitized and then quenched
B.	the depth to which required hardening is obtained when it is austenitized and then quenched
C.	the ability to harden when it is cold worked
D.	the ability to retain its hardness when it is heated to elevated temperatures
Answer» C. the ability to harden when it is cold worked

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Harden ability of steel is a measure of

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