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R05240 Alloy vs. 8090 Aluminum

R05240 alloy belongs to the otherwise unclassified metals classification, while 8090 aluminum belongs to the aluminum alloys. There are 18 material properties with values for both materials. Properties with values for just one material (12, 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 R05240 alloy and the bottom bar is 8090 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 150
67
Elongation at Break, % 25
3.5 to 13
Poisson's Ratio 0.36
0.33
Shear Modulus, GPa 57
25
Tensile Strength: Ultimate (UTS), MPa 270
340 to 490
Tensile Strength: Yield (Proof), MPa 170
210 to 420

Thermal Properties

Latent Heat of Fusion, J/g 210
400
Specific Heat Capacity, J/kg-K 190
960
Thermal Expansion, µm/m-K 6.8
24

Otherwise Unclassified Properties

Density, g/cm3 14
2.7
Embodied Water, L/kg 460
1160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 59
16 to 41
Resilience: Unit (Modulus of Resilience), kJ/m3 90
340 to 1330
Stiffness to Weight: Axial, points 6.3
14
Stiffness to Weight: Bending, points 13
50
Strength to Weight: Axial, points 5.4
34 to 49
Strength to Weight: Bending, points 6.8
39 to 50
Thermal Shock Resistance, points 18
15 to 22

Alloy Composition

Aluminum (Al), % 0
93 to 98.4
Carbon (C), % 0 to 0.010
0
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0
1.0 to 1.6
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
0 to 0.3
Lithium (Li), % 0
2.2 to 2.7
Magnesium (Mg), % 0
0.6 to 1.3
Manganese (Mn), % 0
0 to 0.1
Molybdenum (Mo), % 0 to 0.020
0
Nickel (Ni), % 0 to 0.010
0
Niobium (Nb), % 35 to 42
0
Nitrogen (N), % 0 to 0.010
0
Oxygen (O), % 0 to 0.020
0
Silicon (Si), % 0 to 0.0050
0 to 0.2
Tantalum (Ta), % 57.9 to 65
0
Titanium (Ti), % 0 to 0.010
0 to 0.1
Tungsten (W), % 0 to 0.050
0
Zinc (Zn), % 0
0 to 0.25
Zirconium (Zr), % 0
0.040 to 0.16
Residuals, % 0
0 to 0.15