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| Customization: | Available |
|---|---|
| Material: | Steel |
| Content: | 75% ~ 80% |
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| 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 | |||||||||
| Nominal Diameter | Diameter Tolerance | Weight of Single Ball In Average | Numbers of Per Ton Ball In Average | |
| (mm) | (Inch) | (mm) | (g) | |
| 20 | 0.75'' | +2 -1 |
32 | 31250 |
| 25 | 1'' | 64 | 15625 | |
| 30 | 1.25'' | 110 | 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'' | 4110 | 243 | |
| 110 | 4.5'' | +4 -2 |
5457 | 182 |
| 120 | 4.75'' | 7102 | 140 | |
| 130 | 5'' | 9030 | 110 | |
| 140 | 5.5'' | +4 -3 |
11278 | 88 |
| 150 | 6'' | 13871 | 72 | |