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Graphite vs. Soda-lime Glass

Graphite belongs to the non-oxide engineering ceramics classification, while soda-lime glass belongs to the glass and glass-ceramics. There are 11 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is graphite and the bottom bar is soda-lime glass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 21
70 to 71
Tensile Strength: Ultimate (UTS), MPa 18
41 to 180

Thermal Properties

Maximum Temperature: Mechanical, °C 220
Thermal Conductivity, W/m-K 6.0
1.0 to 1.1
Thermal Expansion, µm/m-K 4.9
8.8 to 9.0

Otherwise Unclassified Properties

Density, g/cm3 1.8

Common Calculations

Stiffness to Weight: Axial, points 6.7
Stiffness to Weight: Bending, points 53
Strength to Weight: Axial, points 2.9
4.6 to 20
Strength to Weight: Bending, points 8.7
11 to 28
Thermal Shock Resistance, points 12
4.7 to 20