China Grinding Media Ball for Cement Mine Mills High Cr Cast Iron Grinding Balls, Find details about China Grinding Balls, Grinding Media from Grinding Media Ball for Cement Mine Mills High Cr Cast Iron Grinding Balls
1.Specification available
A. Cast Balls(1.1) Diameter (mm):
φ150,φ140, φ125, φ110, φ100, φ90, φ80, φ70, φ60, φ50, φ40, φ30, φ20, φ17, φ15
B. Cast Cylpebs(1.)Diameter (mm):
φ35×40, φ30×35, φ25×30, φ20×25, φ18×18, φ16×16, φ15×20, φ14x14, φ12×16,φ12x12, φ10×12, φ10×10, φ8×8
2.General Mechanical Property
Materials | Hardness | Impact value | Wear in Cement Mills(g/mt) | Application Field |
High Cr Cast Iron | ≥HRc60 | ≥4J | 25-60 | The dry-grinding process in cement works, power plants andwet-grinding process in mine; |
Low Cr Cast Iron | ≥HRc46 | ≥3J | ≤130 | The dry-grinding process in cement works,power plants andwet-grinding process in mines |
Composition(%) | C | Si | Mn | Cr | P | S | Hardness(HRC) | Wear Rate in Gold Mine |
Low Cr Cast Balls | 2.0~3.0 | 0.5~1.5 | ≤0.50 | 1.5~2.5 | ≤0.07 | ≤0.07 | 46~55 | About 1000g/MT |
Mid Cr Cast Balls | 2.0~3.5 | ≤1.0 | 0.3~1.2 | 4.0~6.0 | ≤1.0 | ≤1.0 | ≥50 | About 870g/MT |
Cr12 Cast Balls | 2.0~3.0 | ≤1.2 | 0.7~2.0 | 10~12 | ≤0.06 | ≤0.06 | ≥55 | ≤870g/MT |
Cr15 Cast Balls | 2.0~3.0 | ≤1.2 | 0.7~2.0 | 14~16 | ≤0.06 | ≤0.06 | ≥58 | |
Cr20 Cast Balls | 2.0~3.5 | ≤1.0 | 0.5~1.5 | 17~23 | ≤0.06 | ≤0.06 | ≥60 | ≤760g/MT |