20mm To 150mm Ball Milling Media By Automatic Production Line
20mm To 150mm Ball Milling Media By Automatic Production Line
Manufacturer : Jinan zhongwei
We are ISO Endorsed company with annual output 50000 Tons ,locaed in China.
Feature of Jinan zhongwei hot rolling steel balls as follows :
High Hardness : Surface hardness: HRC60-68 HRC, volume hardness HRC60-65.
2) . High Impact Toughness : The impact toughness of our grinding balls is more than 12 J / cm2.
3) . Low Broken Rate : the actual broken rate is not more than 1%.
4) . Good wear-resistant and lower wear rate.
| Material | Chemical Elements of hot rolling steel balls | ||||
| C | Si | Mn | P/S | Cr | |
| 45# | 0.42-0.50 | 0.17-0.37 | 0.5-0.8 | <0.035 | <0.25 |
| 60MN | 0.55-0.65 | 0.17-0.37 | 0.7-1.0 | <0.04 | <0.25 |
| B2 | 0.72-0.85 | 0.17-0.37 | 0.7-1.0 | <0.04 | 0.4-0.6 |
| B3 | 0.5-0.8 | 1.0-1.8 | 0.4-1.0 | 0.035 | 0.5-1.0 |
Hardness of hot rolling steel balls
| Material |
25mm-50mm HRC |
60mm-90mm HRC |
100mm-125mm HRC
|
|||
| 50-55 | ||||||
| 45# | 55-58 | 55-58 | ||||
| 60MN | 58-63 | 58-63 | 56-60 | |||
| B2 | 60-65 | 58-63 | 56-60 | |||
| B3 | 56-63 | |||||
Weight of Jinan Zhongwei hot rolling steel Ball
| Norminal Diameter | Diametrical Tolerance(mm) | Approx Weight of Single Ball(kg) | Average Number Per Ton |
| 25mm/1'' | +1.5,-0.5 | 0.064 | 15625 |
| 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 |
Why choose Jinan Zhongwei as your trusted supplier :
1 . Quality Management System certified ISO 9001:2008.
2 . Environmental management system certified ISO 14001.
3 . Occupational health and safety management systems certified OHSAS 18001.
4 . We use the highest quality bar stock available, made with "clean steel" technology.
5 . Rigidly managed forging process ensuring spherical ball shape.
6 . High end heat treatment technology, based on Jinan Zhongwei’s years of metallurgical experience guaranteeing long wear life.
Our Main products :
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