Tungsten carbide is widely used as seal faces with resistant-wearing ,high fractural strength ,high thermal conductivity, small heat expansion co-efficient. It is the best material to resist heat and fracture in all hard face materials.
| TC physical property | |||||||
| Technical parameter | Unit | YWN6 | YWN8 | YG6 | YG8 | NT60 | |
| Composition | WC | % | 94 | 92 | 94 | 92 | |
| Ni | % | 6 | 8 | ||||
| CO | % | 6 | 8 | ||||
| Density | g/cm3 | 14.5-14.9 | 14.4-14.8 | 14.6-15 | 14.5-14.9 | 6.5-6.8 | |
| Hardness | HRA | ≥88.5 | ≥88 | ≥89.5 | ≥89 | ≥90 | |
| Fractural Strength | MPa | 1490 | 1470 | 1421 | 1470 | 1480 | |
| Heat Expansion Co-efficient | 10-6/K | 5.2 | 5.3 | 5 | 5.1 | 7.5 | |
