20mm-180mm Grinding Ball Cast iron balls with ISO9001 made in China
Jinan zhongwei casting and forging grinding ball Co.,ltd, as the powerful grinder of world’s mining,
specializes in the production of the forged steel ball, cast iron ball, cylpebs and grinding rods, which
are widely used in the mining fields, chemical plant ,power station and building material industries .
We have exported to more than 20 countries such as South Africa, Australia, Chile, Kuwait, UAE,
Russia, Malaysia, Korea and Philippine etc.
Cast Iron Balls Chemical Elements( Below is common used type all over the world,if you have any other different requirement, please let me know,we can order from steel mill)
| Material | Chemical Elements |
| C | Si | Mn | P | S | Cr |
| Speical Cr 2 | 2.0-3.0 | < 1.0 | 0.5-2.0 | <0.08 | < 0.06 | > 20 |
| Speical Cr 1 | 2.0-3.0 | < 1.0 | 0.5-2.0 | <0.08 | < 0.06 | > 15 |
| High Cr | 2.0-3.2 | < 1.0 | 0.5-2.5 | <0.08 | < 0.06 | > 10 |
| Medium Cr | 2.0-3.2 | < 1.0 | 0.5-2.5 | <0.08 | < 0.06 | > 5 |
| Low Cr | 2.2-3.4 | < 1.2 | 0.5-1.5 | <0.08 | < 0.06 | 1.0-1.5 |
Cast Iron Ball Hardness( Below is common used type all over the world,if you have any other different requirement, please let me know,we can order from steel mill)
| Material | 25mm-50mm HRC | 60mm-70mm HRC | 80mm-90mm HRC |
| 60-64 |
| Speical Cr 2 | 58-62 | 60-64 |
| Speical Cr 1 | 58-62 | 58-62 | 58-62 |
| High Cr | 58-62 | 58-63 | 58-62 |
| Medium Cr | 45-48 | 45-48 | 45-48 |
| Low Cr | 42-46 | 42-46 | 42-46 |
Cast Iron Balls Weight
| Specification of Grinding Ball |
| Diameter(mm) | Diametrical Tolerance(mm) | Weight/Ball(g) | Average Number/Ton |
| Φ20 | +1.0,-1.0 | 32 | 30303 |
| Φ25 | +1.0,-1.0 | 64 | 15625 |
| Φ30 | +1.0,-1.0 | 116 | 9090 |
| Φ40 | +1.5,-1.0 | 263 | 3831 |
| Φ50 | +1.5,-1.0 | 513 | 1961 |
| Φ60 | +1.5,-1.0 | 888 | 1132 |
| Φ70 | +2.0,-1.0 | 1490 | 713 |
| Φ80 | +2.0,-1.0 | 2104 | 478 |
| Φ90 | +2.5,-1.5 | 2996 | 335 |
| Φ100 | +2.5,-1.5 | 4110 | 244 |
| Φ110 | +3.0,-1.0 | 5070 | 183 |
| Φ120 | +3.0,-1.0 | 7102 | 141 |
| Φ130 | +3.0,-1.0 | 9030 | 111 |
| Φ140 | +3.0,-1.0 | 11278 | 89 |
| Φ150 | +3.0,-1.0 | 13870 | 72 |
Cast Iron Balls Advantage:
1) High Hardness
2) No Breakage
3) Even Wearing
4) Good Wear Resistance
Cast Iron Balls Contact ( 24 hours on line waiting for your consult)
Product Tags:
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20mm-180mm Good Wear Resistant Grinding Ball Cast iron balls with ISO9001 Images
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