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CR011A Copper vs. 6101 Aluminum

CR011A copper belongs to the copper alloys classification, while 6101 aluminum belongs to the aluminum alloys. There are 21 material properties with values for both materials. Properties with values for just one material (7, 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 CR011A copper and the bottom bar is 6101 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
68
Elongation at Break, % 15
10 to 25
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 43
26

Thermal Properties

Latent Heat of Fusion, J/g 210
400
Maximum Temperature: Mechanical, °C 200
160
Melting Completion (Liquidus), °C 1090
650
Melting Onset (Solidus), °C 1040
620
Specific Heat Capacity, J/kg-K 390
900
Thermal Conductivity, W/m-K 390
220 to 230
Thermal Expansion, µm/m-K 17
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
57 to 60
Electrical Conductivity: Equal Weight (Specific), % IACS 100
190 to 200

Otherwise Unclassified Properties

Base Metal Price, % relative 32
9.5
Density, g/cm3 9.0
2.7
Embodied Carbon, kg CO2/kg material 2.6
8.3
Embodied Energy, MJ/kg 42
150
Embodied Water, L/kg 340
1190

Common Calculations

Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
50
Thermal Diffusivity, mm2/s 110
89 to 93

Alloy Composition


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Aluminum (Al), % 0
97.6 to 99.4
Bismuth (Bi), % 0 to 0.00050
0
Boron (B), % 0
0 to 0.060
Chromium (Cr), % 0
0 to 0.030
Copper (Cu), % 99.88 to 99.97
0 to 0.1
Iron (Fe), % 0
0 to 0.5
Magnesium (Mg), % 0
0.35 to 0.8
Manganese (Mn), % 0
0 to 0.030
Oxygen (O), % 0 to 0.040
0
Silicon (Si), % 0
0.3 to 0.7
Silver (Ag), % 0.030 to 0.050
0
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.1