Loading Port:China Main Port
Payment Terms:TT or LC
Min Order Qty:25M.T. m.t.
Supply Capability:150,000M.T. m.t./month
Good Quality Steel Grinding Ball with High Hardness & Low Breakage & Good Wear-Resistance
1) Regular Specifications for Steel Grinding Ball with High Hardness & Low Breakage & Good Wear-Resistance
Size: 15-150mm
Hardness: 55-65HRC
Breakage Rate<0.5%
Impact Toughness>12J/cm2
Endurance Test>10000times
2) Main Feature for Steel Grinding Ball with High Hardness & Low Breakage & Good Wear-Resistance
High Hardness
Low Breakage
Good Wear Resitance
Stable Chemical Composition
3) Chemical Composition for Steel Grinding Ball with High Hardness & Low Breakage & Good Wear-Resistance
Forged Grinding Ball:
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(B2) | 0.70-0.85 | 0.7-1.20 | 0.17-0.37 | 0.42-0.85 | ≤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 |
Casting Grinding Ball
Model | Material | C | Si | Mn | Cr | S | P |
High Chrome | Cr-22-32% | 2.0-2.8 | ≤1.0 | 0.5-2.0 | 22-32 | ≤0.01 | ≤0.01 |
Cr-17-22% | 2.0-2.8 | ≤1.0 | 0.5-2.0 | 17-22 | ≤0.01 | ≤0.01 | |
Cr-14-17% | 2.2-3.0 | ≤1.0 | 0.5-2.0 | 15-17 | ≤0.01 | ≤0.01 | |
Cr-10-14% | 2.2-3.2 | ≤1.0 | 0.5-2.5 | 11-14 | ≤0.01 | ≤0.01 | |
Medium Chrome | Cr-5-10% | 2.1-3.2 | ≤1.2 | 0.5-1.5 | 5-10 | ≤0.01 | ≤0.01 |
Low Chrome | Cr-1-5% | 2.2-3.5 | ≤1.2 | 0.5-1.5 | 1-5 | ≤0.02 | ≤0.02 |
4) Main Testing Methods for Steel Grinding Ball with High Hardness & Low Breakage & Good Wear-Resistance
Hardness Test:
Impact Toughness Test:
5) Packing Methods for Steel Grinding Ball with High Hardness & Low Breakage & Good Wear-Resistance
