Loading Port:Shanghai Port
Payment Terms:TT or LC
Min Order Qty:25M.T. m.t.
Supply Capability:200000M.T./Year m.t./month
Specifications of High Impact Toughness Steel Metal Forged Grinding Ball Made In China
a) High hardness and wear resistance
b) Good even wear
c) Low breaking
d) grinding media for ball mill
Physical Property of High Impact Toughness Steel Metal Forged Grinding Ball Made In China
Brand | Grade | Impact Test(Ak.J/cm²) | Endurance Test Times(5m) | Dia25mm-60mm | Dia70mm-100mm | ||
Surface | core | surface | core | ||||
Th-1 | 50Mn | ≥12 | ≥10000 | ≥56 | ≥35 | ≥56 | ≥28 |
Th-2 | 60Mn | ≥13 | ≥10000 | ≥58 | ≥38 | ≥58 | ≥29 |
Th-3 | 65Mn | ≥15 | ≥12000 | ≥60 | ≥42 | ≥60 | ≥30 |
Th-4 | 75MnCr | ≥17 | ≥12000 | ≥60 | ≥52 | ≥60 | ≥50 |
Th-5 | Rail iron 1 | ≥15 | ≥12000 | ≥60 | ≥45 | ≥60 | ≥40 |
Th-6 | Rail iron 2 | ≥16 | ≥12000 | ≥60 | ≥50 | ≥60 | ≥45 |
Chemical Composition of High Impact Toughness Steel Metal Forged Grinding Ball Made In China
Based on material, the forged steel balls are defined into 7 brands. And The chemical composition is shown in the following:
Material | C | Mn | Si | Cr | S | P | V |
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 | ≤0.030 | ≤0.030 | |
65MN | 0.60-0.70 | 0.90-1.20 | 0.17-0.37 | ≤0.25 | ≤0.030 | ≤0.030 | |
75Mn | 0.72-0.92 | 0.90-1.20 | 0.17-0.37 |
≤0.25 | ≤0.030 | ≤0.030 | |
75MnCr | 0.70-0.85 | 0.7-1.20 | 0.17-0.37 | 0.4-0.8 | ≤0.030 | ≤0.030 | |
75SiMn | 0.70-0.90 | 0.7-1.2 | 0.4-0.8 | ≤0.25 | ≤0.030 | ≤0.030 | |
Wear-resistant Alloy | 0.5-0.65 | 0.4-1.0 | 1.4-1.8 | 0.9-1.2 | ≤0.030 | ≤0.030 | 0.1-0.2 |
