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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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.)