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ChemicalComposition ( % ) | |||||||||
C | Si | Mn | Cr | P | S | Mo | Cu | Ni | |
2.2—3.5 | 0.3—1.2 | 0.5—1.5 | 0.5—1.5 | ≤ 0.15 | ≤0.25 | 0—1.0 | 0—0.8 | — | |
(HRC)Hardness | ak (J/cm²) Compact Value | Times of Falling Balls | Microstructure | ||||||
45—55 | ≥ 1.6 | ≥8000 | P C | ||||||
Specification (mm) | 15 | 20 | 25 | 30 | 40 | 50 | 60 |
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70 | 80 | 90 | 100 | 110 | 120 |
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mining Low Chromium Cast Grinding Balls
mining Low Chromium Cast Grinding Balls
