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2011 Aluminum vs. CC140C Copper

2011 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 2011 aluminum and the bottom bar is CC140C copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
120
Elongation at Break, % 8.5 to 18
11
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 27
44
Tensile Strength: Ultimate (UTS), MPa 310 to 420
340
Tensile Strength: Yield (Proof), MPa 140 to 310
230

Thermal Properties

Latent Heat of Fusion, J/g 390
210
Maximum Temperature: Mechanical, °C 190
200
Melting Completion (Liquidus), °C 640
1100
Melting Onset (Solidus), °C 540
1040
Specific Heat Capacity, J/kg-K 870
390
Thermal Conductivity, W/m-K 140 to 170
310
Thermal Expansion, µm/m-K 23
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35 to 45
77
Electrical Conductivity: Equal Weight (Specific), % IACS 100 to 130
78

Otherwise Unclassified Properties

Base Metal Price, % relative 11
31
Density, g/cm3 3.1
8.9
Embodied Carbon, kg CO2/kg material 7.9
2.6
Embodied Energy, MJ/kg 150
41
Embodied Water, L/kg 1150
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29 to 52
34
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 680
220
Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 44
18
Strength to Weight: Axial, points 27 to 37
10
Strength to Weight: Bending, points 32 to 40
12
Thermal Diffusivity, mm2/s 51 to 64
89
Thermal Shock Resistance, points 14 to 19
12

Alloy Composition

Aluminum (Al), % 91.3 to 94.6
0
Bismuth (Bi), % 0.2 to 0.6
0
Chromium (Cr), % 0
0.4 to 1.2
Copper (Cu), % 5.0 to 6.0
98.8 to 99.6
Iron (Fe), % 0 to 0.7
0
Lead (Pb), % 0.2 to 0.6
0
Silicon (Si), % 0 to 0.4
0
Zinc (Zn), % 0 to 0.3
0
Residuals, % 0 to 0.15
0