Tungsten carbide is widely used as seal faces with resistant-wearing, high fractural strength, high thermal conductivity and small heat expansion co-efficient. It is the best material to resist heat and fracture in all hard face materials.
| Technical parameter | Unit | YWN6 | YWN8 | Yg6 | Yg8 | Nt60 | |
|---|---|---|---|---|---|---|---|
| Composition | WC | % | 94 | 92 | 94 | 92 | - |
| Ni | % | 6 | 8 | - | - | - | |
| CO | % | - | - | 6 | 8 | - | |
| Hardness | HRA | 88.5 | 88 | 89.5 | 89 | 90 | |
| Fractural Strength | Mpa | 1490 | 1470 | 1421 | 1470 | 1780 | |
| Heat Expansion co-efficient | 10 /k | 5.2 | 5.3 | 5 | 5.1 | 7.5 | |
