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7010 Aluminum vs. CC140C Copper

7010 aluminum belongs to the aluminum alloys classification, while CC140C 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 7010 aluminum and the bottom bar is CC140C copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
120
Elongation at Break, % 3.9 to 6.8
11
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 26
44
Tensile Strength: Ultimate (UTS), MPa 520 to 590
340
Tensile Strength: Yield (Proof), MPa 410 to 540
230

Thermal Properties

Latent Heat of Fusion, J/g 380
210
Maximum Temperature: Mechanical, °C 200
200
Melting Completion (Liquidus), °C 630
1100
Melting Onset (Solidus), °C 480
1040
Specific Heat Capacity, J/kg-K 860
390
Thermal Conductivity, W/m-K 150
310
Thermal Expansion, µm/m-K 24
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
77
Electrical Conductivity: Equal Weight (Specific), % IACS 120
78

Otherwise Unclassified Properties

Base Metal Price, % relative 10
31
Density, g/cm3 3.0
8.9
Embodied Carbon, kg CO2/kg material 8.3
2.6
Embodied Energy, MJ/kg 150
41
Embodied Water, L/kg 1120
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22 to 33
34
Resilience: Unit (Modulus of Resilience), kJ/m3 1230 to 2130
220
Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 45
18
Strength to Weight: Axial, points 47 to 54
10
Strength to Weight: Bending, points 47 to 52
12
Thermal Diffusivity, mm2/s 58
89
Thermal Shock Resistance, points 22 to 26
12

Alloy Composition

Aluminum (Al), % 87.9 to 90.6
0
Chromium (Cr), % 0 to 0.050
0.4 to 1.2
Copper (Cu), % 1.5 to 2.0
98.8 to 99.6
Iron (Fe), % 0 to 0.15
0
Magnesium (Mg), % 2.1 to 2.6
0
Manganese (Mn), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.050
0
Silicon (Si), % 0 to 0.12
0
Titanium (Ti), % 0 to 0.060
0
Zinc (Zn), % 5.7 to 6.7
0
Zirconium (Zr), % 0.1 to 0.16
0
Residuals, % 0 to 0.15
0