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SAE-AISI 4150 Steel vs. Sandstone

SAE-AISI 4150 steel and sandstone belong to fundamentally different material chemistries. SAE-AISI 4150 steel is a metal, while sandstone is a ceramic material. Therefore, their performance will be even more dissimilar than would be suggested by the difference in properties. There are 15 material properties with values for both materials. Properties with values for just one material (18, 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 sandstone.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
38
Poisson's Ratio 0.29
0.25
Shear Modulus, GPa 73
15
Tensile Strength: Ultimate (UTS), MPa 660 to 1310
4.0

Thermal Properties

Maximum Temperature: Mechanical, °C 420
400
Specific Heat Capacity, J/kg-K 470
880
Thermal Conductivity, W/m-K 42
5.6
Thermal Expansion, µm/m-K 13
10

Otherwise Unclassified Properties

Density, g/cm3 7.8
2.6

Common Calculations

Stiffness to Weight: Axial, points 13
8.1
Stiffness to Weight: Bending, points 24
43
Strength to Weight: Axial, points 24 to 47
0.43
Strength to Weight: Bending, points 22 to 34
2.1
Thermal Diffusivity, mm2/s 11
2.4
Thermal Shock Resistance, points 19 to 39
0.75