Loading Port:Qingdao
Payment Terms:TT or LC
Min Order Qty:25M.T. m.t.
Supply Capability:150,000M.T. m.t./month
Forged Steel Grinding Ball with High Hardness HRC60-HRC65 & Dia0.75’’-Dia6’’ & ISO9001:2008
1. Introduction of Forged Steel Grinding Ball with High Hardness HRC60-HRC65 & Dia0.75’’-Dia6’’ & ISO9001:2008
Grinding Ball as a medium for grinding machine, is consumables. Its main application is grinding materials to the usage standard. It is widely used in metal mines, power station, cement plant, chemical industry, etc.
2. Specification of Forged Steel Grinding Ball with High Hardness HRC60-HRC65 & Dia0.75’’-Dia6’’ & ISO9001:2008
Size: 15-150mm
Hardness: 55-65HRC
Breakage Rate<0.5%
Impact Toughness>12J/CM2
Endurance Test>20000times
3. Chemical Composition of Forged Steel Grinding Ball with High Hardness HRC60-HRC65 & Dia0.75’’-Dia6’’ & ISO9001:2008
Material | C | Mn | Si | Cr | S | P | V |
45# | 0.42-0.50 | 0.50-0.80 | 0.17-0.37 | ≤0.25 | ≤0.035 | ≤0.035 | |
50Mn | 0.48-0.56 | 0.70-1.0 | 0.17-0.37 | ≤0.25 | ≤0.035 | ≤0.035 | |
60Mn | 0.57-0.65 | 0.7-1.0 | 0.17-0.37 | ≤0.25 | ≤0.035 | ≤0.035 | |
65Mn | 0.60-0.70 | 0.9-1.2 | 0.17-0.37 | ≤0.25 | ≤0.035 | ≤0.035 | |
B2 | 0.7-0.85 | 0.7-0.8 | 0.17-0.37 | 0.2-0.7 | ≤0.03 | ≤0.03 | |
75SiMn | 0.7-0.90 | 0.7-1.2 | 0.4-0.8 | ≤0.25 | ≤0.03 | ≤0.03 | |
Wear-resistant alloy | 0.5-0.65 | 0.4-1.0 | 1.4-1.8 | 0.9-1.2 | ≤0.03 | ≤0.03 | 0.1-0.2 |
4. Diametrical Tolerance and Weight of Forged Steel Grinding Ball with High Hardness HRC60-HRC65 & Dia0.75’’-Dia6’’ & ISO9001:2008
Nominal diameter (mm) | Diametrical tolerance (mm) | Weight of Single of grinding ball in average | Number of piece of One ton grinding ball in average |
DIA 20 DIA 25 DIA 30 DIA 40 DIA 50 |
+2 -1 | 32 64 110 263 513 | 31250 15625 9090 3802 1949 |
DIA 60 DIA 70 DIA 80 DIA 90 DIA 100 |
+3 -2 | 888 1410 2104 2996 4110
| 1126 709 475 333 243 |
DIA 110 DIA 120 DIA 130 | +4 -2 | 5457 7102 9030 | 182 140 110 |
DIA 140 DIA 150 | +4 -3 | 11278 13871 | 88 72 |
5. Production Process of Forged Steel Grinding Ball with High Hardness HRC60-HRC65 & Dia0.75’’-Dia6’’ & ISO9001:2008
6. Testing Methods of Forged Steel Grinding Ball with High Hardness HRC60-HRC65 & Dia0.75’’-Dia6’’ & ISO9001:2008
7. Packing Methods of Forged Steel Grinding Ball with High Hardness HRC60-HRC65 & Dia0.75’’-Dia6’’ & ISO9001:2008
