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8090 Aluminum vs. C96800 Copper

8090 aluminum belongs to the aluminum alloys classification, while C96800 copper belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (2, 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 8090 aluminum and the bottom bar is C96800 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67
120
Elongation at Break, % 3.5 to 13
3.4
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 25
46
Tensile Strength: Ultimate (UTS), MPa 340 to 490
1010
Tensile Strength: Yield (Proof), MPa 210 to 420
860

Thermal Properties

Latent Heat of Fusion, J/g 400
220
Maximum Temperature: Mechanical, °C 190
220
Melting Completion (Liquidus), °C 660
1120
Melting Onset (Solidus), °C 600
1060
Specific Heat Capacity, J/kg-K 960
390
Thermal Conductivity, W/m-K 95 to 160
52
Thermal Expansion, µm/m-K 24
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
10
Electrical Conductivity: Equal Weight (Specific), % IACS 66
10

Otherwise Unclassified Properties

Base Metal Price, % relative 18
34
Density, g/cm3 2.7
8.9
Embodied Carbon, kg CO2/kg material 8.6
3.4
Embodied Energy, MJ/kg 170
52
Embodied Water, L/kg 1160
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 41
33
Resilience: Unit (Modulus of Resilience), kJ/m3 340 to 1330
3000
Stiffness to Weight: Axial, points 14
7.6
Stiffness to Weight: Bending, points 50
19
Strength to Weight: Axial, points 34 to 49
32
Strength to Weight: Bending, points 39 to 50
25
Thermal Diffusivity, mm2/s 36 to 60
15
Thermal Shock Resistance, points 15 to 22
35

Alloy Composition

Aluminum (Al), % 93 to 98.4
0 to 0.1
Antimony (Sb), % 0
0 to 0.020
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 1.0 to 1.6
87.1 to 90.5
Iron (Fe), % 0 to 0.3
0 to 0.5
Lead (Pb), % 0
0 to 0.0050
Lithium (Li), % 2.2 to 2.7
0
Magnesium (Mg), % 0.6 to 1.3
0
Manganese (Mn), % 0 to 0.1
0.050 to 0.3
Nickel (Ni), % 0
9.5 to 10.5
Phosphorus (P), % 0
0 to 0.0050
Silicon (Si), % 0 to 0.2
0
Sulfur (S), % 0
0 to 0.0025
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.25
0 to 1.0
Zirconium (Zr), % 0.040 to 0.16
0
Residuals, % 0
0 to 0.5