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Tungsten Carbide vs. Grade A Lava

Tungsten carbide belongs to the non-oxide engineering ceramics classification, while grade A lava belongs to the oxide-based engineering ceramics. There are 11 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is tungsten carbide and the bottom bar is grade A lava.

Metric UnitsUS Customary Units

Mechanical Properties

Compressive (Crushing) Strength, MPa 4780
76 to 170
Flexural Strength, MPa 1830
28 to 69
Tensile Strength: Ultimate (UTS), MPa 350
6.9 to 21

Thermal Properties

Maximum Temperature: Mechanical, °C 1000
650 to 1130
Specific Heat Capacity, J/kg-K 280
840
Thermal Conductivity, W/m-K 85
2.0
Thermal Expansion, µm/m-K 5.4
2.5 to 3.3

Otherwise Unclassified Properties

Density, g/cm3 15
2.3 to 2.5

Common Calculations

Strength to Weight: Axial, points 6.6
0.77 to 2.5
Strength to Weight: Bending, points 7.5
3.2 to 7.3
Thermal Diffusivity, mm2/s 21
1.0