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7010 Aluminum vs. C18100 Copper

7010 aluminum belongs to the aluminum alloys classification, while C18100 copper belongs to the copper alloys. There are 29 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 7010 aluminum and the bottom bar is C18100 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
120
Elongation at Break, % 3.9 to 6.8
8.3
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 26
47
Shear Strength, MPa 300 to 340
300
Tensile Strength: Ultimate (UTS), MPa 520 to 590
510
Tensile Strength: Yield (Proof), MPa 410 to 540
460

Thermal Properties

Latent Heat of Fusion, J/g 380
210
Maximum Temperature: Mechanical, °C 200
200
Melting Completion (Liquidus), °C 630
1080
Melting Onset (Solidus), °C 480
1020
Specific Heat Capacity, J/kg-K 860
390
Thermal Conductivity, W/m-K 150
320
Thermal Expansion, µm/m-K 24
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
80
Electrical Conductivity: Equal Weight (Specific), % IACS 120
81

Otherwise Unclassified Properties

Base Metal Price, % relative 10
31
Density, g/cm3 3.0
8.9
Embodied Carbon, kg CO2/kg material 8.3
2.7
Embodied Energy, MJ/kg 150
43
Embodied Water, L/kg 1120
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22 to 33
40
Resilience: Unit (Modulus of Resilience), kJ/m3 1230 to 2130
900
Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 45
18
Strength to Weight: Axial, points 47 to 54
16
Strength to Weight: Bending, points 47 to 52
16
Thermal Diffusivity, mm2/s 58
94
Thermal Shock Resistance, points 22 to 26
18

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
98.7 to 99.49
Iron (Fe), % 0 to 0.15
0
Magnesium (Mg), % 2.1 to 2.6
0.030 to 0.060
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
0.080 to 0.2
Residuals, % 0
0 to 0.5