Loading Port:Shanghai Port
Payment Terms:TT or LC
Min Order Qty:25M.T. m.t.
Supply Capability:200000M.T./Year m.t./month
Details of Precision Mining Casting And Forging Grinding Ball From China
1.Chemical composition of Forged Grinding Ball | |||||||
Material | C | Mn | Si | Cr | S | P | |
50MN | 0.48-0.56 | 0.70-1.0 | 0.17-0.37 | ≤0.25 | ≤0.035 | ≤0.035 | |
60MN | 0.57-0.65 | 0.70-1.0 | 0.17-0.37 | ≤0.25 | ≤0.035 | ≤0.035 | |
65MN | 0.60-0.70 | 0.90-1.20 | 0.17-0.37 | ≤0.25 | ≤0.035 | ≤0.035 | |
75Mn | 0.72-0.92 | 0.17-0.37 | 0.17-0.37 | 0.4-0.6 | ≤0.035 | ≤0.035 | |
75MnCr | 0.70-0.85 | 0.7-0.8 | 0.17-0.37 | 0.2-0.7 | ≤0.03 | ≤0.03 | |
75SiMn | 0.70-0.90 | 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 | |
General Mechanical of Precision Mining Casting And Forging Grinding Ball From China
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 and wet-grinding process in mine; |
Low Cr Cast Iron | ≥HRc46 | ≥3J | ≤130 | The dry-grinding process in cement works, power plants and wet-grinding process in mines |
High chromium broken rate less than equal to 0.5%
Single warehouse receipt consumption 18g/T for cement
Low chromium broken rate less than or equal to 3%
Single warehouse receipt consumption 50g/T for cement
