What is the minimum case depth required to use Rockwell C scale hardness measurement?

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Qusai Younus Hamid

https://www.hegewald-peschke.com/interesting-facts/guidelines-to-hardness-testing.html

Emre Alan

Hello,

ASTM E18-19 defines the procedure of testing.

Sahar Nekahi

The Rockwell hardness test method, as defined in ASTM E-18, is the most commonly used hardness test method. You should obtain a copy of this standard, read the standard completely before attempting a Rockwell test.