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AISI 316 Stainless Steel vs. Steatite

AISI 316 stainless steel and steatite belong to fundamentally different material chemistries. AISI 316 stainless steel is a metal, while steatite 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 (31, 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 steatite.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
68 to 120
Poisson's Ratio 0.28
0.23
Tensile Strength: Ultimate (UTS), MPa 520 to 1180
60 to 220

Thermal Properties

Maximum Temperature: Mechanical, °C 590
750 to 1230
Specific Heat Capacity, J/kg-K 470
850 to 860
Thermal Conductivity, W/m-K 15
1.8 to 2.5
Thermal Expansion, µm/m-K 16
7.0 to 9.0

Otherwise Unclassified Properties

Density, g/cm3 7.9
1.9 to 2.8

Common Calculations

Stiffness to Weight: Axial, points 14
14 to 32
Stiffness to Weight: Bending, points 25
52 to 83
Strength to Weight: Axial, points 18 to 41
6.4 to 32
Strength to Weight: Bending, points 18 to 31
13 to 42
Thermal Diffusivity, mm2/s 4.1
0.79 to 1.1
Thermal Shock Resistance, points 11 to 26
5.1 to 33