This product features uniform hardness, crush resistance, excellent wear resistance, high impact value and high comprehensive efficiency of the mill. It is widely used in cement building materials, mining and mineral processing, power plant coal grinding, chemical industry, machinery and other industries. The packaging options include 1000 kg ton bags and 850–900 kg iron drums.
Technical Parameters of Forged Steel Balls
| Diameter (mm) | Diameter Tolerance (mm) | Single Ball Weight (g) | Surface Hardness (HRC) | Impact Toughness (J/cm²) |
|---|---|---|---|---|
| Φ20 | +2~-1 | 32 | > 60 | ≥12 |
| Φ25 | +2~-1 | 64 | > 60 | ≥12 |
| Φ30 | +2~-1 | 110 | > 60 | ≥12 |
| Φ40 | +2~-1 | 263 | > 60 | ≥12 |
| Φ50 | +2~-1 | 513 | > 60 | ≥12 |
| Φ60 | +3~-2 | 888 | > 60 | ≥12 |
| Φ70 | +3~-2 | 1410 | > 60 | ≥12 |
| Φ80 | +3~-2 | 2104 | > 60 | ≥12 |
| Φ90 | +3~-2 | 2996 | > 60 | ≥12 |
| Φ100 | +4~-2 | 4110 | > 60 | ≥12 |
| Φ110 | +4~-2 | 5457 | > 60 | ≥12 |
| Φ120 | +4~-2 | 7102 | > 58 | ≥12 |
| Φ130 | +4~-2 | 9030 | > 58 | ≥12 |
| Φ140 | +4~-3 | 11278 | > 55 | ≥12 |
| Φ150 | +4~-3 | 13871 | > 55 | ≥12 |
Material Composition of Forged Steel Balls
| Model | Material | C % | Si % | Mn % | P % | S % | Cr % | Ni % | Cu % | Mo % | Al % |
|---|---|---|---|---|---|---|---|---|---|---|---|
| JBJC-1 | B2 | 0.70-0.85 | 0.17-0.37 | 0.70-1.00 | ≤0.035 | ≤0.035 | 0.50-0.60 | ≤0.20 | ≤0.20 | / | 0.015-0.050 |
| JBJC-2 | B2-1 | 0.55-0.70 | 0.15-0.30 | 0.65-0.85 | ≤0.020 | ≤0.020 | 0.70-1.10 | ≤0.20 | ≤0.20 | / | 0.015-0.050 |
| JBJC-3 | B3 | 0.58-0.66 | 1.70-1.90 | 0.68-0.80 | ≤0.030 | ≤0.030 | 0.78-0.90 | ≤0.20 | ≤0.20 | / | 0.015-0.050 |
| JBJC-4 | B4 | 0.65-0.75 | 1.20-1.40 | 0.50-0.70 | ≤0.025 | ≤0.025 | 0.85-1.00 | / | ≤0.25 | / | / |
| JBJC-5 | B6 | 0.75-0.90 | 0.17-0.37 | 0.8-1.02 | ≤0.035 | ≤0.035 | 0.88-0.98 | ≤0.25 | ≤0.25 | 0.06-0.13 | 0.020-0.047 |
| JBJC-6 | B6-1 | 0.82-0.90 | 0.15-0.35 | 0.90-1.05 | ≤0.020 | ≤0.020 | 0.88-0.98 | ≤0.25 | ≤0.25 | 0.06-0.13 | 0.020-0.047 |
| JBJC-7 | BU | 0.95-1.05 | 0.15-0.35 | 0.95-1.05 | ≤0.025 | ≤0.025 | 0.45-0.55 | ≤0.06 | ≤0.15 | ≤0.05 | 0.020-0.040 |
| JBJC-8 | 1090 | 0.90-1.10 | 0.17-0.37 | 0.60-0.90 | ≤0.025 | ≤0.025 | ≤0.25 | ≤0.02 | ≤0.02 | / | / |
| JBJC-9 | 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 | / |
| JBJC-10 | 40Cr | 0.37-0.45 | 0.20-0.40 | 0.50-0.80 | ≤0.035 | ≤0.035 | 0.80-1.10 | / | / | / | / |
| JBJC-11 | 65MN | 0.62-0.70 | 0.17-0.37 | 0.90-1.20 | ≤0.035 | ≤0.035 | ≤0.25 | / | / | / | / |
| JBJC-12 | 60MN | 0.57-0.65 | 0.17-0.37 | 0.70-1.00 | ≤0.035 | ≤0.035 | ≤0.25 | ≤0.25 | / | / | / |
| JBJC-13 | 50MN | 0.48-0.56 | 0.17-0.37 | 0.70-1.00 | ≤0.035 | ≤0.035 | ≤0.25 | ≤0.25 | / | / | / |
| JBJC-14 | 45# | 0.42-0.50 | 0.17-0.37 | 0.50-0.80 | ≤0.035 | ≤0.035 | ≤0.25 | ≤0.25 | / | / | / |
| JBJC-15 | Gcr15 | 0.95-1.05 | 0.15-0.35 | 0.20-0.45 | ≤0.035 | ≤0.035 | 1.30-1.65 | ≤0.30 | / | ≤0.10 | / |
Technical Parameters of Cast Steel Balls
| Diameter (mm) | Single Ball Weight (g) | Quantity per Ton | Surface Hardness (HRC) | Falling Ball Impact Fatigue Life (Times) |
|---|---|---|---|---|
| Φ15 | 13.8 | 72549 | >60 | >10000 |
| Φ17 | 20.1 | 49838 | >60 | >10000 |
| Φ20 | 32.7 | 30607 | >60 | >10000 |
| Φ25 | 64 | 15671 | >60 | >10000 |
| Φ30 | 110 | 9069 | >60 | >10000 |
| Φ40 | 261 | 3826 | >60 | >10000 |
| Φ50 | 510 | 1959 | >60 | >10000 |
| Φ60 | 882 | 1134 | >60 | >10000 |
| Φ70 | 1401 | 714 | >60 | >10000 |
| Φ80 | 2091 | 478 | >60 | >10000 |
| Φ90 | 2977 | 336 | >60 | >10000 |
| Φ100 | 4084 | 245 | >58 | >8000 |
| Φ120 | 7057 | 142 | >58 | >8000 |
| Φ130 | 8740 | 115 | >58 | >8000 |
Material Composition of Cast Steel Balls
| Item | Model | C (%) | Si (%) | Mn (%) | Cr (%) | P (%) | S (%) | Mo (%) | Cu (%) | Ni (%) |
|---|---|---|---|---|---|---|---|---|---|---|
| High-Chromium Alloy Cast Ball | JBZQCr12 | 2.0-3.6 | 0.3-1.2 | 0.2-1.0 | 11-13 | ≤0.10 | ≤0.10 | 0-1.0 | 0-1.0 | 0-1.5 |
| High-Chromium Alloy Cast Ball | JBZQCr15 | 2.0-3.6 | 0.3-1.2 | 0.2-1.0 | 14-17 | ≤0.10 | ≤0.10 | 0-1.0 | 0-1.0 | 0-1.5 |
| High-Chromium Alloy Cast Ball | JBZQCr20 | 2.0-3.5 | 0.3-1.0 | 0.2-1.0 | 18-22 | ≤0.10 | ≤0.08 | 0-2.0 | 0-1.0 | 0-1.5 |
| High-Chromium Alloy Cast Ball | JBZQCr26 | 2.0-3.3 | 0.3-1.0 | 0.2-1.0 | 22-28 | ≤0.10 | ≤0.08 | 0-2.5 | 0-2.0 | 0-1.5 |
| Medium-Chromium Alloy Cast Ball | JBZQCr7 | 2.0-3.6 | 0.3-1.5 | 0.2-1.0 | 6.0~10 | ≤0.10 | ≤0.08 | 0-1.0 | 0-0.8 | 0-1.5 |
| Low-Chromium Alloy Cast Ball | JBZQCr2 | 2.0-3.6 | 0.3-1.5 | 0.2-1.0 | 1.0-3.0 | ≤0.10 | ≤0.08 | 0-1.0 | 0-0.8 | - |
| Bainitic Alloy Cast Ball | JBZQsi3 | 3.2-3.8 | 2.0-3.5 | 05-3.5 | - | ≤0.10 | ≤0.08 | - | - | - |
Note: The production capacity is closely related to the particle size, specific gravity, hardness, moisture and other indicators of the raw materials.
The above parameters are for reference only, please consult our engineers for details.
