Tungsten Carbide Material Properties

Hard and rigid yet has very high impact resistance and high strength and higher compressive strength than all known melted, cast and forged metals and alloys. Resistance to deformation and deflection is high. Resistant to heat and oxidation with low temperature resistance. Dimensional stability with no heat treating required. While there are many different grades of tungsten carbide, these basic properties apply to all grades.

Specific grades achieve corrosion-wear resistance that approaches that of noble metals.

Applications: wide variety of applications from numerous carbide grades for high speed cutting tools, wear resistant material

Tungsten Carbide

Color gray
Physical State Hexagonal crystals
Density 15.7 g/cm3
Knoop Hardness 1670 (Mohs, 9 – 9.5)
Hardness 25000 HB
Tensile Strength 350 MPa
Flexural Strength 1830 MPa
Compressive Strength 4780 MPa
Fracture toughness 12 MPa-m½
Young modulus 530-700 Mpa
Poisson ratio 0.31
Thermal conductivity 85 W/m.K 49 BTU/h-ft-°F
Coefficient of Thermal Expansion 5.9 µm/m-K
Melting Point 2,785°C
Boiling Point 6,000°C
Specific Heat Capacity 280 J/kg-K
Electrical Resistivity 0.75 10X Ω-m

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