WC Tungsten Carbide Valve Seats / Tungsten Carbide Valve Core
Description
WC hard alloy valve core, the valve seat is made of YG11 (cobalt based) or YN11 (nickel based) cemented carbide + 17-4P duplex stainless steel. The product has high hardness, erosion resistance, corrosion resistance and high temperature resistance. Anti-high frequency vibration, no break, reliable connection and so on.
Specification
YG11 cemented carbide chemical composition: WC: 89%, Co: 11%.
Physical properties of YG11 cemented carbide: density ρ13.4-13.8, average particle 1.2μ, hardness ≥88HRA, flexural strength ≈3400
YG11 cemented carbide comprehensive performance: combined with the high hardness of YG8 and the bending resistance of YG15, it has good
comprehensive mechanical properties.
About Tungsten carbide
Tungsten carbide is a compound with equal compositions of tungsten and carbon. The compound finds specific use in various industrial applications owing to its high strength and resistance to corrosion. In fact, there are only a limited few materials on earth that can compare in strength with tungsten carbide. That said, tungsten carbide is available in varying grades which are chosen depending on the application. The grades vary in terms of grain size, hardness factors, and the use of a binder.
Tungsten carbide is also highly temperature resistant as well as corrosion resistant. In addition to the same, it can be molded into different shapes which make it extremely suitable for creating different dimension tungsten carbide valve seats for oil industries.
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