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7075 Aluminum vs. Sandstone

7075 aluminum and sandstone belong to fundamentally different material chemistries. 7075 aluminum 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.

For each property being compared, the top bar is 7075 aluminum and the bottom bar is sandstone.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
38
Poisson's Ratio 0.32
0.25
Shear Modulus, GPa 26
15
Tensile Strength: Ultimate (UTS), MPa 240 to 590
4.0

Thermal Properties

Maximum Temperature: Mechanical, °C 200
400
Specific Heat Capacity, J/kg-K 870
880
Thermal Conductivity, W/m-K 130
5.6
Thermal Expansion, µm/m-K 23
10

Otherwise Unclassified Properties

Density, g/cm3 3.0
2.6

Common Calculations

Stiffness to Weight: Axial, points 13
8.1
Stiffness to Weight: Bending, points 46
43
Strength to Weight: Axial, points 22 to 54
0.43
Strength to Weight: Bending, points 28 to 52
2.1
Thermal Diffusivity, mm2/s 50
2.4
Thermal Shock Resistance, points 10 to 25
0.75