- Refractory[3]
- Organic Salt[1]
- Cast & Forged[6]
- Other Educational Toys[6]
- Contact Person : Mr. Lee Jason
- Company Name : SinoSmith Metals (Beijing) Co., Ltd.
- Tel : 86-0533-7229950
- Fax : 86-0533-7220181
- Address : Shandong,Zibo City,Linzi District
- Country/Region : China
- Zip : 255400
mining grinding ball
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1. 60Mn forged steel ball (1) Chemical Composition C: 0.57-0.65 Mn:0.7-1.0 Si:0.17-0.37 Cr:0.25max S:0.035max P:0.035max (2) Hardness Surface hardness:58min(dia:20mm-60mm) 58min(dia:60mm-150mm) Core hardness:35min(dia:20mm-60mm) 29min(dia:60mm-150mm) | ||
2. 75MnCr forged steel ball (1)Chemical Composition C:0.7-0.85 Mn:0.7-0.8 Si:0.17-0.37 Cr:0.2-0.7 S:0.03max P:0.03max (2)Hardness Surface hardness:60min(dia:20mm-60mm) 60min(dia:60mm-150mm) Core hardness :42min(dia:20mm-60mm) 30min(dia:60mm-150mm) | ||
3. Wear-resistance Alloy forged steel ball (1)Chemical Composition C:0.5-0.65 Mn:0.4-1.0 Si:1.4-1.8 Cr:0.1-1.2 S:0.03max P:0.03max V:0.1-0.2 (2)Hardness Surface hardness 60min(dia:20mm-60mm) 60min(dia:60mm-150mm) Core hardness 54min(dia:20mm-60mm) 52min(dia:60mm-150mm) |
| Name | Material | C | Mn | Si | Cr | S | P |
| mining grinding ball | 50Mn | 0.48-0.56 | 0.70-1.0 | 0.17-0.37 | ≤0.25 | ≤0.035 | ≤0.035 |
| mining grinding ball | 60Mn | 0.57-0.65 | 0.70-1.0 | 0.17-0.37 | ≤0.25 | ≤0.035 | ≤0.035 |
| mining grinding ball | 65Mn | 0.60-0.70 | 0.90-1.2 | 0.17-0.37 | ≤0.25 | ≤0.035 | ≤0.035 |
| mining grinding ball | B2 | 0.70-0.85 | 0.70-0.80 | 0.17-0.37 | 0.2-0.7 | ≤0.03 | ≤0.03 |
| mining grinding ball | 75SiMn | 0.70-0.90 | 0.70-1.20 | 0.4-0.8 | ≤0.25 | ≤0.03 | ≤0.03 |
| mining grinding ball | Wear-resistant Alloy | 0.50-0.65 | 0.4-1.0 | 1.4-1.8 | 0.9-1.2 | ≤0.03 | ≤0.03 |
