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Forged grinding balls
- 【Introduction】:
- 【 Capacity 】:
- 【Improvement】:
Good quality used in Mining, Cement
100, 000Tons/Year
1. Diameter 20mm-165mm (4/5”to 6½” aprox).
2. High Hardness: Surface hardness of forged steel ball is to 60-68 HRC and volume hardness of forged grinding ball is to 60-65 HRC;
3. High Impact Toughness: The impact toughness is more than 15 J/cm2;
4. Low Broken Rate: The actual broken rate is not higher than 1%;
5. Even Wear-resistance: The wear rate of cast ball is 50-700 g/ton.
6. Material-We use the high quality bar as raw material.
2. High Hardness: Surface hardness of forged steel ball is to 60-68 HRC and volume hardness of forged grinding ball is to 60-65 HRC;
3. High Impact Toughness: The impact toughness is more than 15 J/cm2;
4. Low Broken Rate: The actual broken rate is not higher than 1%;
5. Even Wear-resistance: The wear rate of cast ball is 50-700 g/ton.
6. Material-We use the high quality bar as raw material.
【Product Structure】
【Technical Parameters】
| Chemical Components | ||||||
| Type | Chemical components | |||||
| C | Mn | Si | Cr | S | P | |
| 45# | 0.42-0.48 | 0.50-0.80 | 0.17-0.37 | ≤0.25 | ≤0.035 | ≤0.035 |
| 50Mn | 0.48-0.56 | 0.70-1.00 | 0.17-0.37 | ≤0.25 | ≤0.035 | ≤0.035 |
| 60Mn | 0.57-0.65 | 0.70-1.00 | 0.17-0.37 | ≤0.25 | ≤0.035 | ≤0.035 |
| 65Mn | 0.62-0.70 | 0.90-1.20 | 0.17-0.37 | ≤0.25 | ≤0.035 | ≤0.035 |
| B2 | 0.75-0.85 | 0.70-0.90 | 0.17-0.37 | 0.40-0.60 | ≤0.030 | ≤0.030 |
| B3 | 0.55-0.65 | 0.75-0.90 | 0.20-0.37 | 0.85-1.20 | ≤0.030 | ≤0.030 |
| B4 | 0.58-0.66 | 0.65-0.80 | 1.60-1.90 | 0.70-0.90 | ≤0.030 | ≤0.030 |
| B6 | 0.97-1.03 | 1.00-1.10 | 0.20-0.30 | 0.50-0.60 | ≤0.025 | ≤0.025 |
| Mechanical Properties | ||||||||
| Material | Hardness(HRC) | Impact | Falling Times | |||||
| Φ20-Φ50 | Φ60-Φ90 | Φ100-Φ150 | ||||||
| Surface | Core | Surface | Core | Surface | Core | |||
| 45# | ≥54 | ≥36 | ≥54 | ≥34 | ≥52 | ≥30 | ≥15 | ≥22000 |
| 50Mn | ≥58 | ≥38 | ≥58 | ≥36 | ≥55 | ≥32 | ≥15 | ≥22000 |
| 60Mn | ≥60 | ≥42 | ≥60 | ≥40 | ≥58 | ≥36 | ≥15 | ≥22000 |
| 65Mn | ≥60 | ≥42 | ≥60 | ≥40 | ≥58 | ≥36 | ≥15 | ≥22000 |
| B2 | ≥60 | ≥60 | ≥60 | ≥50 | ≥60 | ≥46 | ≥15 | ≥22000 |
| B3 | ≥60 | ≥60 | ≥60 | ≥50 | ≥60 | ≥48 | ≥15 | ≥22000 |
| B4 | ≥60 | ≥60 | ≥60 | ≥55 | ≥60 | ≥52 | ≥15 | ≥22000 |
| B6 | ≥60 | ≥60 | ≥60 | ≥59 | ≥60 | ≥55 | ≥15 | ≥22000 |
【Process】
【Solutions】
1) Mines (Gold, Copper, Iron, Molybdenum, Lead, Zinc, etc)
2) Power station
3) Cement Plant
【Testing】
【Package】
(1) Container Bags: 1000KGS/Bag
(2) Steel Drums: 850-900KGS/Drum
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