Loading Port:China Main Port
Payment Terms:TT OR LC
Min Order Qty:-
Supply Capability:200000M.T./Year /month
Chemical Composition of 20mm to 150mm Forged Grinding Ball:
e material | Chemical composition | Diameter of 100 ball hardness (HRC) | ||||||||
C | Si | Mn | S | P | Cr | Ni | Mo | surface | core | |
45#steel | 0.42-0.50 | 0.17-0.37 | 0.50-0.80 | ≤0.04 | ≤0.04 | ≤0.25 | ≤0.25 |
| 52-57 | 20-30 |
B2 | 0.65-0.78 | 0.17-0.37 | 0.70-1.20 | ≤0.035 | ≤0.035 | 0.55-0.60 |
|
| 55-60 | 35-40 |
50Mn | 0.48-0.56 | 0.17-0.37 | 0.70-1.00 | ≤0.04 | ≤0.04 | ≤0.25 | ≤0.25 |
| 55-60 | 25-35 |
60Mn | 0.57-0.65 | 0.17-0.37 | 0.70-1.00 | ≤0.04 | ≤0.04 | ≤0.25 | ≤0.25 |
| 55-60 | 25-35 |
65Mn | 0.62-0.70 | 0.17-0.37 | 0.90-1.20 | ≤0.04 | ≤0.04 | ≤0.25 | ≤0.25 |
| 55-60 | 25-35 |
40Cr | 0.37-0.45 | 0.20-0.40 | 0.50-0.80 | ≤0.035 | ≤0.035 | 0.80-1.10 |
|
| 55-60 | 25-35 |
B3 | 0.60-0.65 | 0.17-0.40 | 0.70-1.00 | ≤0.035 | ≤0.035 | 0.70-1.20 |
|
| 55-60 | 52-57 |
B6 | 0.77-0.85 | 0.17-0.37 | 0.70-1.00 | ≤0.035 | ≤0.035 | 0.88-0.98 |
|
| 55-60 | 55-60 |
42CrMo | 0.38-0.45 | 0.20-0.40 | 0.50-0.80 | ≤0.035 | ≤0.035 | 0.90-1.20 |
| 0.15-0.25 | 55-60 | 25-35 |
Specification of 20mm to 150mm Forged Grinding Ball:
1. Diameter: 20mm-150mm
2. Grade: 22Cr, 17Cr, 15Cr, 11Cr, 5Cr, 1.5Cr, etc
3. Chemical composition: C, Si, Mn, Cr, P, S, Mo, Cu, Ni, etc
4. Surface treatment: burnt sand & smooth.
5. It is free from hard spot, visible injurious defects such as blow hole,porosity, shrinkage, cracks, cold-shuts.
