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.
TC physical property
Technical Parameter		Unit	YWN6	YWN8	YG6	YG8	New
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