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SAE-AISI 4150 Steel vs. Glass-bonded Mica

SAE-AISI 4150 steel and glass-bonded mica belong to fundamentally different material chemistries. SAE-AISI 4150 steel is a metal, while glass-bonded mica 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 (26, 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 SAE-AISI 4150 steel and the bottom bar is glass-bonded mica.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
71
Tensile Strength: Ultimate (UTS), MPa 660 to 1310
39

Thermal Properties

Maximum Temperature: Mechanical, °C 420
450
Specific Heat Capacity, J/kg-K 470
500
Thermal Conductivity, W/m-K 42
23
Thermal Expansion, µm/m-K 13
6.7

Otherwise Unclassified Properties

Density, g/cm3 7.8
2.6

Common Calculations

Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
52
Strength to Weight: Axial, points 24 to 47
4.1
Strength to Weight: Bending, points 22 to 34
9.7
Thermal Diffusivity, mm2/s 11
18
Thermal Shock Resistance, points 19 to 39
5.9