Sintered Silicon Carbide Properties

Sintered silicon carbide (SiC) boasts hardness rivaled only by diamond. Our CALSIC S is extremely resistant to wear, abrasion, thermal and shock - making it great for a variety of applications and products. Learn more about sintered silicon carbide properties below.

Sintered Silicon Carbide Properties

Physical Property Units Typical Value
Composition - SiC
Grain Size μm 4-10
Density g/cc 3.15
Hardness (Knoop) GPa 2800
Modulus of Rupture MPa 380
Tensile Strength MPa 250
Compressive Strength MPa 3900
Elastic Modulus GPa 410
Coefficient of Thermal Expansion 1 x 10-6 in/in °C 4.0
Thermal Conductivity W/mK 125
Poisson's Ratio - 0.16

All properties are at room temperature (20°C) unless otherwise stated.

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