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Granite vs. Carbon-carbon

Granite belongs to the natural stone classification, while carbon-carbon belongs to the non-oxide engineering ceramics. There are 16 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is granite and the bottom bar is carbon-carbon.

Metric UnitsUS Customary Units

Mechanical Properties

Compressive (Crushing) Strength, MPa 2200
240
Elastic (Young's, Tensile) Modulus, GPa 70
95
Poisson's Ratio 0.25
0.32
Shear Modulus, GPa 27
36
Tensile Strength: Ultimate (UTS), MPa 39
19

Thermal Properties

Maximum Temperature: Mechanical, °C 350
2400
Specific Heat Capacity, J/kg-K 840
760
Thermal Conductivity, W/m-K 2.7
40
Thermal Expansion, µm/m-K 7.4
4.0

Otherwise Unclassified Properties

Density, g/cm3 2.9
1.7

Common Calculations

Stiffness to Weight: Axial, points 14
31
Stiffness to Weight: Bending, points 48
89
Strength to Weight: Axial, points 3.8
3.0
Strength to Weight: Bending, points 9.0
9.1
Thermal Diffusivity, mm2/s 1.1
31
Thermal Shock Resistance, points 5.4
3.5