Salem Specialty Ball Company
Charts - Salem Specialty Ball

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
 

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