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8090 Aluminum vs. C70260 Copper

8090 aluminum belongs to the aluminum alloys classification, while C70260 copper belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, 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 C70260 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67
120
Elongation at Break, % 3.5 to 13
9.5 to 19
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 25
44
Tensile Strength: Ultimate (UTS), MPa 340 to 490
520 to 760
Tensile Strength: Yield (Proof), MPa 210 to 420
410 to 650

Thermal Properties

Latent Heat of Fusion, J/g 400
220
Maximum Temperature: Mechanical, °C 190
200
Melting Completion (Liquidus), °C 660
1060
Melting Onset (Solidus), °C 600
1040
Specific Heat Capacity, J/kg-K 960
390
Thermal Conductivity, W/m-K 95 to 160
160
Thermal Expansion, µm/m-K 24
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
40 to 50
Electrical Conductivity: Equal Weight (Specific), % IACS 66
40 to 51

Otherwise Unclassified Properties

Base Metal Price, % relative 18
31
Density, g/cm3 2.7
8.9
Embodied Carbon, kg CO2/kg material 8.6
2.7
Embodied Energy, MJ/kg 170
43
Embodied Water, L/kg 1160
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 41
46 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 340 to 1330
710 to 1810
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 50
18
Strength to Weight: Axial, points 34 to 49
16 to 24
Strength to Weight: Bending, points 39 to 50
16 to 21
Thermal Diffusivity, mm2/s 36 to 60
45
Thermal Shock Resistance, points 15 to 22
18 to 27

Alloy Composition

Aluminum (Al), % 93 to 98.4
0
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 1.0 to 1.6
95.8 to 98.8
Iron (Fe), % 0 to 0.3
0
Lithium (Li), % 2.2 to 2.7
0
Magnesium (Mg), % 0.6 to 1.3
0
Manganese (Mn), % 0 to 0.1
0
Nickel (Ni), % 0
1.0 to 3.0
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0 to 0.2
0.2 to 0.7
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.25
0
Zirconium (Zr), % 0.040 to 0.16
0
Residuals, % 0
0 to 0.5