Rockwell Hardness

Material	Rockwell Hardness
Chrome Steel 52100	Rc 60-67
Corrosion Resisting Hardened Steel 440 420	Rc 58-65 Rc 52 min
Corrosion Resisting Unhardened Steel 302 304 316	Rc 25-39 Rc 25-39 Rc 25-39
Carbon Steel	Rc 60 min
Aluminum 2017	Rb 54-72
Aluminum Bronze	Rb 94-98
Brass	Rb 75-87
Bronze	Rb 75-98
Monel 400	Rb 85-95
K-Monel	Rc 27 min
Tungsten Carbide	Ra 84-91.5

Material