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AISI 304 Stainless Steel vs. Cordierite

AISI 304 stainless steel and cordierite belong to fundamentally different material chemistries. AISI 304 stainless steel is a metal, while cordierite is a ceramic material. 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 (28, 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 AISI 304 stainless steel and the bottom bar is cordierite.

AISI 304 (S30400) Stainless SteelCordierite
Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
62
Tensile Strength: Ultimate (UTS), MPa 580 to 1180
190

Thermal Properties

Maximum Temperature: Mechanical, °C 710
1150
Specific Heat Capacity, J/kg-K 480
800 to 850
Thermal Conductivity, W/m-K 16
1.3 to 1.7
Thermal Expansion, µm/m-K 17
2.9 to 4.8

Otherwise Unclassified Properties

Density, g/cm3 7.8
2.0 to 2.2

Common Calculations

Stiffness to Weight: Axial, points 14
15 to 17
Stiffness to Weight: Bending, points 25
59 to 67
Strength to Weight: Axial, points 21 to 42
24 to 27
Strength to Weight: Bending, points 20 to 32
33 to 38
Thermal Diffusivity, mm2/s 4.2
0.74 to 1.0
Thermal Shock Resistance, points 12 to 25
47 to 78