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Cordierite vs. SAE-AISI 4150 Steel

Cordierite and SAE-AISI 4150 steel belong to fundamentally different material chemistries. Cordierite is a ceramic material, while SAE-AISI 4150 steel is a metal. Therefore, their performance will be even more dissimilar than would be suggested by the difference in properties. There are 13 material properties with values for both materials. Properties with values for just one material (25, 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 cordierite and the bottom bar is SAE-AISI 4150 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 62
190
Tensile Strength: Ultimate (UTS), MPa 190
660 to 1310

Thermal Properties

Maximum Temperature: Mechanical, °C 1150
420
Specific Heat Capacity, J/kg-K 800 to 850
470
Thermal Conductivity, W/m-K 1.3 to 1.7
42
Thermal Expansion, µm/m-K 2.9 to 4.8
13

Otherwise Unclassified Properties

Density, g/cm3 2.0 to 2.2
7.8

Common Calculations

Stiffness to Weight: Axial, points 15 to 17
13
Stiffness to Weight: Bending, points 59 to 67
24
Strength to Weight: Axial, points 24 to 27
24 to 47
Strength to Weight: Bending, points 33 to 38
22 to 34
Thermal Diffusivity, mm2/s 0.74 to 1.0
11
Thermal Shock Resistance, points 47 to 78
19 to 39