What is the tungsten carbide wear parts properties

What is the tungsten carbide wear parts properties

Tungsten carbide wear parts main properties
Excellent Hardness: 86~93 HRA, which equal to 68~81HRC;
Excellent Hot Working Performance: Hardness could be remained at 60 HRC under 900~1000 ℃;
Resistance Wear: Some grades can outwear hardened steel by over 100 times
Resistance Corrosion: Grades with Nickel and Chromium binders are very resistant to acidic solutions
Impact Resistance: Tungsten cemented carbides are surprisingly tough considering their high hardness.
All carbide wear parts provided by us are include all these properties

Tungsten carbide wear parts physical properties
Tungsten carbide has high melting point at 2,870 °C, a boiling point of 6,000 °C when under a pressure equivalent to 760mm of Hg, a thermal conductivity of 84.02 W·m−1·K−1, and a coefficient of thermal expansion of 5.8 µm·m−1·K−1. Tungsten carbide is extremely hard, ranking ~9 on Mohs scale, and with a Vickers number of 1700–2400. It has a Young's modulus of approximately 550 GPa, a bulk modulus of 439 GPa, and a shear modulus of 270 GPa. It has a very high yield stress at 6800 MPa, but a comparatively low ultimate tensile strength of just 35 MPa.
carbide indexable inserts imageThe speed of a longitudinal wave through a thin rod of tungsten cemented carbide is 6220 m/s.
With a low electrical resistivity of, tungsten cemented carbide's resistivity is comparable with that of some metals. WC is readily wetted by both molten nickel and cobalt. Investigation of the phase diagram of the W-C-Co system shows that WC and Co form a pseudo binary eutectic. The phase diagram also shows that there are so-called η-carbides with composition (W,Co)6C that can be formed and the fact that these phases are brittle is the reason why control of the carbon content in WC-Co hard metals is important.
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