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Medium Chrome Cast Grinding Iron Balls
- 【Introduction】:
- 【 Capacity 】:
- 【Improvement】:
Good quality used in Mining, Cement
50, 000Tons/Year
1. Diameter: 10mm-150mm.
2. High Hardness: surface hardness of casting balls is to 48-65 HRC and volume hardness of foundry steel balls is to 45-63 HRC.
3. High Impact Toughness: the impact toughness of medium chrome grinding media is more than 6 AJ/cm2.
4. Low Broken Rate: the actual broken rate is not higher than 1%.
5. Wear-resistant: the grinding lost of chrome steel balls is 50-700g/ton
2. High Hardness: surface hardness of casting balls is to 48-65 HRC and volume hardness of foundry steel balls is to 45-63 HRC.
3. High Impact Toughness: the impact toughness of medium chrome grinding media is more than 6 AJ/cm2.
4. Low Broken Rate: the actual broken rate is not higher than 1%.
5. Wear-resistant: the grinding lost of chrome steel balls is 50-700g/ton
【Product Structure】
【Technical Parameters】
| Chemical Components | ||||||||
| Type | Chemical components | |||||||
| C | Si | Mn | Cr | Mo | Cu | P | S | |
| Low-Cr | 1.8-3.3 | ≤1.5 | 0.3-1.5 | 1-3 | ≤1.0 | ≤0.8 | ≤0.10 | ≤0.10 |
| Medium-Cr | 1.8-3.3 | ≤1.2 | 0.3-1.5 | 4-9 | ≤1.5 | ≤0.8 | ≤0.10 | ≤0.10 |
| High-Cr | 1.8-3.3 | ≤1.2 | 0.3-1.5 | 10-18 | ≤1.0 | ≤1.2 | ≤0.10 | ≤0.06 |
| Superhigh-Cr | 1.8-3.3 | ≤1.2 | 0.3-1.5 | 19-35 | ≤2.0 | ≤1.2 | ≤0.10 | ≤0.06 |
| Mechanical Properties and Microstructure | |||||||||
| Type | Hardness | Falling times | Microstructure | Impact Toughness | |||||
| Low-Cr | ≥45 | ≥8000 | M+C | ≥6 | |||||
| Medium-Cr | ≥50 | ≥12000 | M+C | ≥6 | |||||
| High-Cr | ≥58 | ≥15000 | M+C | ≥6 | |||||
| Superhigh-Cr | ≥60 | ≥22000 | M+C | ≥6 | |||||
| P-Pearlite C-Carbide M-Martensite | |||||||||
| Diameter | Diameter Tolerance | Average Weight per Ball | Average Numbers per Ton | |
| mm | Inch | mm | g | |
| 20 | 0.75'' | +2/ -1 | 32 | 31250 |
| 25 | 1'' | 64 | 15625 | |
| 30 | 1.25'' | 111 | 9090 | |
| 40 | 1.5'' | 263 | 3802 | |
| 50 | 2'' | 513 | 1949 | |
| 60 | 2.5'' | +3/ -2 | 888 | 1126 |
| 70 | 2.75'' | 1410 | 709 | |
| 80 | 3.25'' | 2104 | 475 | |
| 90 | 3.5'' | 2996 | 333 | |
| 100 | 4'' | 4111 | 243 | |
| 110 | 4.5'' | +4/ -2 | 5457 | 182 |
| 120 | 4.75'' | 7102 | 140 | |
| 125 | 5'' | 8008 | 125 | |
| 140 | 5.5'' | +4/ -3 | 11278 | 88 |
| 150 | 6'' | 13871 | 72 |
【Process】
【Solutions】
1) Cement Plant
2) Mines (Gold, Copper, Iron, Molybdenum, Lead, Zinc, etc)
3) Power Station
【Testing】
【Package】
(1) Container Bags: 1000KGS/Bag
(2) Steel Drums: 850-900KGS/Drum
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