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C55281 Copper vs. 6101 Aluminum

C55281 copper belongs to the copper alloys classification, while 6101 aluminum belongs to the aluminum alloys. There are 14 material properties with values for both materials. Properties with values for just one material (12, 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 C55281 copper and the bottom bar is 6101 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
68
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 40
26

Thermal Properties

Latent Heat of Fusion, J/g 190
400
Maximum Temperature: Mechanical, °C 200
160
Melting Completion (Liquidus), °C 810
650
Melting Onset (Solidus), °C 640
620
Specific Heat Capacity, J/kg-K 400
900
Thermal Expansion, µm/m-K 16
23

Otherwise Unclassified Properties

Density, g/cm3 8.7
2.7
Embodied Carbon, kg CO2/kg material 7.0
8.3
Embodied Energy, MJ/kg 110
150

Common Calculations

Stiffness to Weight: Axial, points 6.9
14
Stiffness to Weight: Bending, points 18
50

Alloy Composition

Aluminum (Al), % 0
97.6 to 99.4
Boron (B), % 0
0 to 0.060
Chromium (Cr), % 0
0 to 0.030
Copper (Cu), % 88.5 to 89.4
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
Phosphorus (P), % 5.8 to 6.2
0
Silicon (Si), % 0
0.3 to 0.7
Silver (Ag), % 4.8 to 5.2
0
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.1