Jinan Zhongwei Casting And Forging Grinding Ball Co.,Ltd
Jinan Zhongwei Casting And Forging Grinding Ball Co.,Ltd 18 Years focus on development and production of grinding media Casting quality with strength, Forging glory with integrity
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GENERAL DESCRIPTION
Manufacturer : Jinan zhongwei
As a leading global manufacturer of grinding media steel balls , we offer advanced,
reasonable solutions for any size-reduction requirements including quarry, aggregate,
and different kinds of hot rolling steel balls , cast and forged grinding steel balls ,
grinding rods, grinding cylpeb .
We mainly produce Forged Grinding media Balls, rolling steel Balls
and Cast Grinding media Balls as follows:
1). 60Mn Forged Grinding Balls and Rolled Grinding Balls (20mm to 180mm)
2). B2 Forged Grinding Balls and Rolled Grinding Balls (20mm to 180mm)
3). B3 Forged Grinding Balls and Rolled Grinding Balls (20mm to 180mm)
4). B4 Forged Grinding Balls and Rolled Grinding Balls (20mm to 180mm)
5). High chrome cast grinding ball (12.7mm to 120mm)
6) . Medium chrome cast grinding ball (12.7mm to 120mm)
7). Low chrome cast grinding ball (12.7mm to 120mm)
Feature of Jinan zhongwei hot rolling steel balls as follows :
1) . 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 |
Package : Steel drums (850kg per drum) or Flexible Container Bags ( 1000kg per bag)
We jinan zhongwei will continue to promote the benefits and applications of
our grinding media to an ever-widening industrial marketplace.
We are ready to contribute our share in advancing mutual benefit and win-win cooperation.