grinding media forged balls supplier:
a). SGS & ISO Certificates
b).Hardness: 60-67HRC
c).Impact toughness:12-35J/CM2
wet grinding process grinding media forged balls supplier:
a). SGS & ISO Certificatesb).Hardness: 60-67HRCc).Impact toughness:12-35J/CM2
Company profile:
As one of the leading grinding balls specialists in China, we can certainly assist you in buying grinding balls that suit your company needs. Our annual production capacity is about 200,000Ton. We own 15 sets integrated advanced import production lines, so that you can be satisfied with the quality of our products.
Applied Fields:
a)Mines
b)Cement Plants
c)Chemical Industries
d)Power Stations
Type and Chemical Composition of Forged Steel Ball:
| Name | Material | C | Mn | Si | Cr | S | P |
| GN-1 | 50Mn | 0.48-0.56 | 0.70-1.0 | 0.17-0.37 | ≤0.25 | ≤0.035 | ≤0.035 |
| GN-2 | 60Mn | 0.57-0.65 | 0.70-1.0 | 0.17-0.37 | ≤0.25 | ≤0.035 | ≤0.035 |
| GN-3 | 65Mn | 0.60-0.70 | 0.90-1.2 | 0.17-0.37 | ≤0.25 | ≤0.035 | ≤0.035 |
| GN-4 | B2 | 0.70-0.85 | 0.70-0.80 | 0.17-0.37 | 0.2-0.7 | ≤0.03 | ≤0.03 |
| GN-5 | 40Cr | 0.37-0.44 | 0.50-0.80 | 0.17-0.37 | 0.80-1.10 | ≤0.03 | ≤0.03 |
| GN-6 | 45# | 0.42-0.50 | 0.50-0.80 | 0.17-0.37 | ≤0.25 | ≤0.03 | ≤0.03 |
Physical Property of Forged Steel Ball:
| Name | Material | Impact Test(Ak.J/cm²) | Endurance Test Times(5m/T) | Surface Hardness (Φ25mm- Φ60mm) | Core Hardness (Φ25mm- Φ60mm) | Surface Hardness (Φ70mm- Φ100mm) | Core Hardness (Φ70mm- Φ100mm) | Breakage |
| GN-1 | 45# | ≥12 | ≥10000 | ≥56 | ≥35 | ≥56 | ≥30 | <1% |
| GN-2 | 40Cr | ≥13 | ≥10000 | ≥58 | ≥38 | ≥58 | ≥30 | <1% |
| GN-3 | 60Mn | ≥14 | ≥12000 | ≥60 | ≥42 | ≥60 | ≥35 | <1% |
| GN-4 | 65Mn | ≥15 | ≥12000 | ≥60 | ≥52 | ≥60 | ≥50 | <1% |
| GN-5 | B2 | ≥17 | ≥12000 | ≥60 | ≥50 | ≥60 | ≥48 | <1% |
| GN-6 | B6 | ≥17 | ≥12000 | ≥60 | ≥54 | ≥60 | ≥55 | <1% |
Weight and Microstructure of Forged Steel Ball:
| Norminal Diameter | Diametrical Tolerance(mm) | Approx Weight of Single Ball(kg) | Average Number of One MT | Microstructure |
| 25mm/1'' | +1.5,-0.5 | 0.064 | 15625 | M+B+C (M-Martensite;B-Bainitic;C-Carbide) |
| 30mm/1.25'' | +1.5,-0.5 | 0.11 | 9090 |
| 40mm/1.5'' | +2.0,-1.0 | 0.26 | 3846 |
| 50mm/2'' | +2.0,-1.0 | 0.51 | 1961 |
| 60mm/2.5'' | +3.0,-2.0 | 0.89 | 1124 |
| 70mm/2.75'' | +3.0,-2.0 | 1.4 | 714 |
| 80mm/3.25'' | +3.0,-2.0 | 2.1 | 476 |
| 90mm/3.5'' | +3.0,-2.0 | 3 | 333 |
| 100mm/4'' | +4.0,-3.0 | 4.1 | 244 |
| 110mm/4.5'' | +4.0,-3.0 | 5.47 | 283 |
| 120mm/4.75 | +4.0,-3.0 | 7.1 | 141 |
| 130mm/5'' | +4.0,-3.0 | 9.02 | 111 |
Productive procedure:
Package:
a). woven bag: 1000kg/Ton
b). iron drum: 850-920kg/drum
Products:
wet grinding process grinding media forged balls supplier
