タングステンカーバイドブッシュのグレード：
| グレード | 構成 (%) | 密度(g/cm3) | 硬度HRA) | T.R.S（N/mm²) |
| YG6 | 6%co 94%wc | 14.85 | ≥92.5 | ≥2000 |
| YG8 | 8%co 92%wc | 14.7 | ≥89.8 | ≥2800 |
| YG10X | 10%co 90%wc | 14.35 | ≥91.5 | ≥3600 |
| YG11 | 11%co 89%wc | 14.4 | ≥88.5 | ≥2900 |
| YG6 | Fine grain alloy, good wear resistance. It is suitable for making carbide sleeves and tungsten carbide bushings, wear-resistant parts, etc. |
| YG8 | High bending strength, wear resistance lower than YG6. It is suitable for making carbide sleeves and carbide bushings, wear-resistant parts, etc. |
| YG11 |
Other types of tungsten carbide bushings:
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