The material grades and physical mechanical properties of Carbide ball | ||||||
Grade | Chemical composition | Density | Hardness | Porosity | Non-combined carbon | |
| WC | Co(Ni) | g/cm3 | HRA |
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YG6 | 94 | 6 | 14.6～15 | ≥89.5 | A02B02 | CO2 |
YG6X | 94 | 6 | 14.6～15 | ≥91 | A02B02 | CO2 |
YG8 | 92 | 8 | 14.5～14.9 | ≥89 | A02B02 | CO2 |
YN9 | 91 | (9) | 14.6～15.2 | ≥89 | A02B02 | CO2 |
Carbide ball specifications | |||||
Nominal diameter of bearing ball | Nominal diameter of bearing ball | Nominal diameter of bearing ball | |||
mm | in | mm | in | mm | in |
0.5 | | 0.6 | | 0.794 | 1/32 |
0.8 | | 1 | | 1.588 | 1/16 |
2 | | 2.381 | 3/32 | 2.5 | |
2.778 | 7/64 | 3 | | 3.175 | 1/8 |
3.5 | | 3.969 | 5/32 | 4 | |
4.5 | | 4.763 | 3/16 | 5 | |
5.159 | 13/64 | 5.5 | | 5.953 | 15/64 |
6 | | 6.35 | 1/4 | 6.5 | |
6.747 | 17/64 | 7 | | 7.144 | 9/32 |
7.5 | | 7.938 | 5/16 | 8 | |
8.5 | | 9 | | 9.525 | 3/8 |
10 | | 11.113 | 7/16 | 12 | |
12.303 | 31/64 | 12.7 | 1/2 | 13.494 | 17/32 |
14.288 | 9/16 | 15 | | 16 | |
16.669 | 21/32 | 18.256 | 23/32 | 19.844 | 25/32 |
20.638 | 13/16 | 22.225 | 7/8 | 28.575 | 11/8 |
30.162 | 13/16 |
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