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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.
Physical property
Technical parameter | Unit | YWN6 | YWN8 | YG6 | YG8 | |
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 | |
Hardness | HRA | ≥88.5 | ≥88 | ≥89.5 | ≥89 | |
Fractural Strength | MPa | 1490 | 1470 | 1421 | 1470 | |
Heat Expansion Co-efficient | 10-6/K | 5.2 | 5.3 | 5 | 5.1 | |





Description