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AISI 316 Stainless Steel vs. Mullite

AISI 316 stainless steel and mullite belong to fundamentally different material chemistries. AISI 316 stainless steel is a metal, while mullite is a ceramic material. Therefore, their performance will be even more dissimilar than would be suggested by the difference in properties. There are 14 material properties with values for both materials. Properties with values for just one material (32, 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 316 stainless steel and the bottom bar is mullite.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110 to 170
Poisson's Ratio 0.28
0.25
Tensile Strength: Ultimate (UTS), MPa 520 to 1180
160

Thermal Properties

Maximum Temperature: Mechanical, °C 590
1680
Specific Heat Capacity, J/kg-K 470
950
Thermal Conductivity, W/m-K 15
3.5 to 11
Thermal Expansion, µm/m-K 16
5.8

Otherwise Unclassified Properties

Density, g/cm3 7.9
2.7 to 3.0

Common Calculations

Stiffness to Weight: Axial, points 14
22 to 31
Stiffness to Weight: Bending, points 25
58 to 62
Strength to Weight: Axial, points 18 to 41
15 to 17
Strength to Weight: Bending, points 18 to 31
22 to 24
Thermal Diffusivity, mm2/s 4.1
1.4 to 3.7
Thermal Shock Resistance, points 11 to 26
12 to 19