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A High Chromiun Casting Grinding Ball 1.Chemical Composition and hardness
High Chromiun Casting Grinding Ball | Chemical Composition | HRC | ||||||
C | Si | Mn | Cr | Mo | P | S | ||
1.7-3.3 | <=1.0 | <=2.5 | 11-15 15-18 | <=1.5 | <=0.1 | <=0.1 | 58-65 |
2.properties and Microstructure
High Chromiun Casting Grinding Ball | Hardness (HRC) | ak (J/cm^2) | Microstructure | Times of falling balls | |
Quenching(A) | No quenching(A) | ||||
>=56 | >=50 | >=2.3 | M+C | >=8000 |
High chrome steel ball