
Chinese exporter grinding balls for mining forged balls and cast balls
1. Diameter: 20mm-150mm
2. Hardness:HRC55-67
3. Certificate: ISO9001:2008
4. Breakage rate:<1%
5. Impact tes:>12J/CM2
6. Endurance test times>10000
Chemical Elements:
name | C | Si | Mn | P | S | Cr |
60Mn | 0.57-0.65 | 0.17-0.37 | 0.7-1.0 | <0.035 | <0.035 | <0.25 |
65Mn | 0.62-0.70 | 0.17-0.37 | 0.9-1.2 | ≤0.035 | ≤0.035 | ≤0.25 |
45# | 0.42-0.50 | 0.17-0.37 | 0.5-0.8 | - | - | < 0.2 |
42Cr | 0.38-0.45 | 0.17-0.37 | 0.5-0.8 | ≤.035 | ≤0.035 | 09-1.2 |
Mechanical Properties
Spec. | Impact Test AK.J/CM2 | Endurance Test Times (5m) | Dia 25mm-60mm | Dia 70mm-100mm | ||
Surface | Core | Surface | Core | |||
42Cr | ≥12 | ≥10000 | ≥55 | ≥48 | ≥52 | ≥45 |
50Mn | ≥12 | ≥10000 | ≥56 | ≥50 | ≥55 | ≥50 |
60MN | ≥13 | ≥12000 | ≥58 | ≥52 | ≥58 | ≥50 |
65MN | ≥15 | ≥12000 | ≥62 | ≥54 | ≥58 | ≥52 |
Specification and Hardness of Forged Grinding Ball
Nominal diameter (mm-inches) | Diameteical tolerance (mm) | Weight of Single of forging ball in average | Number of piece of One ton forging ball in average | Surface hardness | Impact toughness |
20-0.8” 25-1.0” 30-1.2” 40-1.6” 50-2.0” | +2 -1 | 32 64 110 263 513 | 31250 15625 9090 3802 1949 | 55-67 | >12 |
Grinding Balls For Mining Application( Please let me know your application, Jinan zhongwei will recommend the most high cost-effective type)
Competitive advantage:
1.Top high cost performance;
2.Save annual steel ball use qty;
3. Increase outlet derived from the best quality .
Performance comparation:
Grinding Balls For Mining ( Jinan zhongwei accept any form of the thrid-party testing)
Grinding Balls For Mining Package ( Container bags and steel drums are two common used package all over the world,let me know which one you want.)
Jinan Zhongwei Casting And Forging Grinding Ball Co.,Ltd
Established in 2000, We Jinan Zhongwei casting and forging grinding ball Co.,Ltd, are leading manufacturer and professional exporter of grinding media balls in China. with the annual output of 50,000 to 70,000 metric tons. Our products grinding media balls are mainly exported to more than 20 countries and regions in the world, such as Japan, Korea, South Africa, Zambia, Malaysia, Philippines, Indonesia, Mongolia, Australia, UAE, Chile etc.
Our main products are forging grinding steel balls, hot rolling balls, and (high,medium,low) chrome alloyed casting iron balls, casting cylpebs, grinding rods.
Casting quality with strength, Forging glory with integrity. Insisting on the theory of "Quality first, Credit Goal, and Mutual Profits". We are trying best to supply customers with high quality products and satisfactory service.
We sincerely welcome customers from both at home and abroad to our factory for on-site inspections!
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