Tungsten carbide is widely used as seal faces with resistant-wearing,high fractural strength,high thermalconductivity, small heat expansion co-efficient.It is the best material to resist heat and fracture in all hard face materials.
| 硬质合金（TC）物理性能参数 TC physical property | |||||||
| 技术参数 Technical Parameter | 单位 Unit | YWN6 | YWN8 | YG6 | YG8 | NT60 | |
| 化学成分 Composition | WC | % | 94 | 92 | 94 | 92 | |
| Ni | % | 6 | 8 | ||||
| Co | % | 6 | 8 | ||||
| 体积密度 Density | g/cm3 | 14.5-14.9 | 14.4-14.8 | 14.6-15.0 | 14.5-14.9 | 6.5-6.8 | |
| 硬度 Hardness | HRA | 88.5 | 88 | 89.5 | 89 | 90 | |
| 弯曲强度 Flexural Strength | MPa | 1490 | 1470 | 1421 | 1470 | 1480 | |
| 热膨胀系数 Coefficient of Heat Expansion | 10-6/℃ | 5.2 | 5.3 | 5.0 | 5.1 | 7.5 | |