Forging Steel Ball: 1.High hardness and resistance . 2.High quality with low price . 3.Low breakage. 4.Excellent surface.
Forging Steel Ball:
1.Material special hi-Cr1,special hi-Cr22.Diameters 25mm-130mm
3.Characteristic High hardness, Grinding endurable ,None
out-of-round, Low percentage of damage, High total mill efficiency.4.Apply Realm Cement plan, mine , Mill tailings ,Thermal power generation, Chemical industry.
5.Packing Jumbo bag or Iron drum
Classification Chemical Composition And Metallurgical Structure
| Name | Material | C | Si | Cr | Mn | S | P | Mo | Al | microstructure |
| zw-7 | special-Cr1 | 2.0-2.8 | ≤1.0 | 22-32 | 0.5-2.0 | ≤0.06 | ≤0.08 | micro | micro | M +C |
| zw-8 | special-Cr2 | 2.0-2.8 | ≤1.0 | 17-22 | 0.5-2.0 | ≤0.06 | ≤0.08 | micro | micro | M +C |
Mechanical Property
Name | Material | Impact test (AK. J/cm2) | Endurance test times(5m) | Quenching Hardness (HRC) | Un quenching Hardness( H RC) | Breakage |
zw-7 | special-Cr1 | ≥4 | ≥10000 | ≥60 | ≥49 | <1% |
zw-8 | special-Cr2 | ≥4 | ≥10000 | ≥60 | ≥48 | <1% |
Nominal Diameter (mm) | Diameter Tolerance (mm) | Approx Weight Per Ball (kg) | Average Number Per MT |
25 | +1,-0.5 | 0.033 | 30303 |
30 | +1,-0.5 | 0.064 | 15625 |
40 | +2.0,-1.0 | 0.11 | 9090 |
50 | +2.0,-1.0 | 0.261 | 3831 |
60 | +2.0,-1.0 | 0.510 | 1961 |
70 | +2.0,-1.0 | 0.883 | 1132 |
80 | +3.0,-1.5 | 1.402 | 713 |
90 | +3.0,-1.5 | 2.092 | 478 |
100 | +3.0,-1.5 | 2.98 | 335 |
110 | +3.0,-1.5 | 4.087 | 244 |
120 | +3.0,-1.5 | 5.44 | 183 |
130 | +3.0,-1.5 | 7.062 | 141 |
Forging Steel Ball
