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 PropertyUnitsTypical Value
Composition-SiC
Grain Sizeμm4-10
Densityg/cc3.15
Hardness (Knoop)GPa2800
Modulus of RuptureMPa380
Tensile StrengthMPa250
Compressive StrengthMPa3900
Elastic ModulusGPa410
Coefficient of Thermal Expansion1 x 10-6 in/in °C4.0
Thermal ConductivityW/mK125
Poisson's Ratio-0.16

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

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