chemical Elements (%): C:2.1~3.20 Mn: 0.50-1.50; Cr: 5.0-10.0; Si: 1.2 Max; P: 0.08 Max, S:0.06Max;

1.Breakage rate of ball: 1.0% Max ;

2.Dropping test: 10000 times minimum with 7.5 meter dropping test machine.

Impact fatigue life test: Ak.=4 J/CM2 Minimum

3.Packing: By bulk bags (1000kg/bag), or by steel drums (850kgs-1000kgs/drum)

4.Products all-round properties: High Hardness, better wear resistance, even wearing

5.Applications:1) Mines, various kinds of mine2) Cement plants 3) Power plants 4) Chemical industry