Specifications
grinding steel balls:Hardness:above 60HRC
Izod impact strength:12-35
Beakage: Less than 0.5%
1.Forged Grinding Steel Media Ball:
1.High hardness low breakage
2.Low abrasion wear
3.No deformation
4.Good wear resistant Dia:20-150mm
5.Hardness:50-65HRC
6.Good wear resistance
7.No deformation, no out of roundness
8.Low breakage and abrasion wear
2.Chemcial Elements
Name | C | Mn | Si | Cr | S | P |
HY-65MN | 0.60-0.70 | 0.90-1.20 | 0.17-0.37 | 0.25 max | 0.035max | 0.035max |
HY-75MnCr | 0.70-0.85 | 0.7-0.8 | 0.17-0.37 | 0.7-0.9 | 0.03 max | 0.03 max |
HY-40MNCr | 0.45-0.50 | 0.7-1.2 | 0.17-0.37 | 0.9-1.1 | 0.03 max | 0.03 max |
3. Specification and Hardness of Grinding Media Ball
Nominal diameter(mm) | Diameteical talerance(mm) | Weight of single forging ball in average(g) | Number of piece of one ton forging ball in average | Surface hardness(HRC) | iMPACT TIUGHNESS(j/cm2) |
dia20 dia25 dia30 dia40 dia50 | +2 -1 | 32 64 110 263 513 | 31250 15625 9090 3802 1949 | 50~65 | >=12 |
dia60 dia70 dia80 dia90 dia100 | +3 -2 | 888 1410 2104 2996 4110 | 1126 709 475 333 243 | 50~65 | >=12 |
dia110 dia120 dia130 | +4 -2 | 5457 7102 9030 | 182 140 110 | 45~60 | >=12 |
dia140 dia150 | +4 -3 | 11278 13871 | 88 72 | 45~60 | >=12 |
