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AISI 316 Stainless Steel vs. Magnesium Fluoride

AISI 316 stainless steel and magnesium fluoride belong to fundamentally different material chemistries. AISI 316 stainless steel is a metal, while magnesium fluoride is a ceramic material. Therefore, their performance will be even more dissimilar than would be suggested by the difference in properties. There are 11 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 316 stainless steel and the bottom bar is magnesium fluoride.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
130
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 78
76

Thermal Properties

Melting Onset (Solidus), °C 1380
1260
Specific Heat Capacity, J/kg-K 470
980
Thermal Conductivity, W/m-K 15
28
Thermal Expansion, µm/m-K 16
11

Otherwise Unclassified Properties

Density, g/cm3 7.9
3.2

Common Calculations

Stiffness to Weight: Axial, points 14
22
Stiffness to Weight: Bending, points 25
52
Thermal Diffusivity, mm2/s 4.1
8.8