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How do you test the hardness of case hardened steel?

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Answer:

By doing a hardness test. The good ones use a calibration ball or point pressed into the subject material with a known force. How big the dent is tell you how hard the material is.

First answer by ID1082431052. Last edit by Eric M Jones. Contributor trust: 885 [recommend contributor ]. Question popularity: 3 [recommend question].

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