Menu (ESC)

Graphite vs. Ferrite

Graphite belongs to the non-oxide engineering ceramics classification, while ferrite belongs to the oxide-based engineering ceramics. There are 12 material properties with values for both materials. Properties with values for just one material (9, 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 graphite and the bottom bar is ferrite.

Metric UnitsUS Customary Units

Mechanical Properties

Compressive (Crushing) Strength, MPa 90
430 to 2000
Elastic (Young's, Tensile) Modulus, GPa 21
120 to 140
Flexural Strength, MPa 80
120 to 150
Tensile Strength: Ultimate (UTS), MPa 18
48 to 71

Thermal Properties

Thermal Conductivity, W/m-K 6.0
3.9 to 6.3
Thermal Expansion, µm/m-K 4.9
8.0 to 9.3

Otherwise Unclassified Properties

Density, g/cm3 1.8
4.7 to 4.8

Common Calculations

Stiffness to Weight: Axial, points 6.7
15 to 16
Stiffness to Weight: Bending, points 53
35 to 36
Strength to Weight: Axial, points 2.9
2.8 to 4.1
Strength to Weight: Bending, points 8.7
6.2 to 8.0
Thermal Shock Resistance, points 12
3.0 to 4.6