High chrome Dia 20-150mm casting iron ball from China for cement plant
Cast Iron Balls Specifications
a) unbreakable
b) grinding resistant
c) high impact value
d) high combined efficiency of grinding mill
Forged Grinding Steel Balls
1) In general, forged steel ball has high hardness: surface hardness to 55-68 HRC, volume hardness of 50-63 HRC
2) Impact toughness high: impact toughness more than 12 J / cm2.
3) Broken rate is low: the actual broken rate is not higher than 1%.
4) Loss of grinding forged steel ball round rate is low.
National Standards
| Specification | 20 | 25 | 30 | 40 | 50 | 60 | 70 | 80 | 90 | 100 | 110 | 120 | 130 | 140 | 150 |
| Chemical composition | C | Si | Mn | P | S | Cr | Ni | Cu | V | Ti | | | | | |
| 0.72- 0.95 | 0.50- 0.75 | 0.90 -1.20 | ≤0.035 | ≤0.035 | ≤0.25 | ≤ 0.30 | ≤ 0.25 | ≤ 0.01 | ≤ 0.01 | | | | | |
| Surface hardness | 55-64 | 54-62 | 50-60 | 50-58 |
| Hardness of heart | ≥50 | ≥50 | ≥48 | ≥46 |
Company measured test results
| Chemical Composition | C | Si | Mn | S | P | Cr |
| 0.72-0.82 | 0.17-0.37 | 0.7-0.8 | ≤0.035 | ≤0.035 | 0.28-0.6 |
| | Specification
(mm) | Surface Hardness | Hardness
of Heart | Company measured
test results | Remark |
| Surface Hardness | Hardness
of Heart |
| 1 | 40 | 60-65 | 59-64 | | | National Standards High carbon low alloy steel forging (rolling)
≤90mm: surface hardness
HRC≥58, Hardness of Heart≥50; >90mm: surface hardness
HRC≥56, Hardness of Heart≥48. |
| 2 | 50 | 60-65 | 58-63 | 64.5 | 63 |
| 3 | 60 | 60-65 | 58-63 | 66 | 64-65 |
| 4 | 70 | 60-65 | 58-63 | | |
| 5 | 75 | 60-65 | 58-63 | | |
| 6 | 80 | 58-63 | 56-61 | 66 | 64 |
| 7 | 90 | 58-63 | 56-61 | 63 | 61 |
| 8 | 100 | 58-63 | 56-61 | 62 | 60 |
| 9 | 110 | 57-62 | 52-57 | 63.5 | 59 |
| 10 | 120 | 57-62 | 50-55 | 61.5 | 54 |
| 11 | 130 | 56-61 | 42-47 | 62 | 49.5 |
| 12 | 140 | 56-61 | 40-45 | | |
Cast Iron Balls Application( Please let me know your application, Jinan zhongwei will recommend the most high cost-effective type)
- Ball Mill
- Mining
- Cement Plant
- Power Plant
Competitive advantage:
1.Top high cost performance;
2.Save annual steel ball use qty;
3. Increase outlet derived from the best quality .
Performance comparation:
- Steel Balls for Ball mill can save usage 40-50% than low chrome casting ball(chrome percent: 5%), improve outlet 10% at least than low chrome casting ball.
- Steel Balls for Ball mill can save usage 20-25% than medium chrome casting ball(chrome percent: 5% ~ 10%), improve outlet 10% than medium chrome casting ball.
- Steel Balls for Ball mill can save usage 10% than high chrome casting ball(chrome percent: 5% ~ 10%), improve outlet 10% than high chrome casting ball.
Cast Iron Balls Production ( Jinan zhongwei accept any form of the thrid-party testing)
Cast Iron Balls Package ( Container bags and steel drums are two common used package all over the world,let me know which one you want.)
Product Tags:
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Dia 20-150mm High chrome Cast Iron Balls for cement plant / Mining Images
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