What are the applications of Rockwell hardness testers in the heat treatment industry?

Rockwell hardness testers applied to testing heat-treated workpieces: Surface quenching and tempering heat treatment is usually carried out using induction heating or flame heating. The main technical parameters are surface hardness, local hardness, and effective hardening layer depth. Hardness testing can utilize a Vickers hardness tester, or a Rockwell or superficial Rockwell hardness tester.
The Rockwell hardness tester is an important means of testing the surface hardness of heat-treated workpieces. It can select a test force of 0.5 ~ 100kg and test surface hardened layers as thin as 0.05mm. Its precision is very high, and it can distinguish minor differences in the surface hardness of heat-treated workpieces.

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