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7108A Aluminum vs. C55284 Copper

7108A aluminum belongs to the aluminum alloys classification, while C55284 copper belongs to the copper alloys. There are 18 material properties with values for both materials. Properties with values for just one material (13, 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 7108A aluminum and the bottom bar is C55284 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
100
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
38
Tensile Strength: Ultimate (UTS), MPa 350
180

Thermal Properties

Latent Heat of Fusion, J/g 380
180
Maximum Temperature: Mechanical, °C 210
200
Melting Completion (Liquidus), °C 630
800
Melting Onset (Solidus), °C 520
640
Specific Heat Capacity, J/kg-K 870
380
Thermal Expansion, µm/m-K 24
17

Otherwise Unclassified Properties

Density, g/cm3 2.9
8.9
Embodied Carbon, kg CO2/kg material 8.3
16
Embodied Energy, MJ/kg 150
260

Common Calculations

Stiffness to Weight: Axial, points 13
6.5
Stiffness to Weight: Bending, points 47
18
Strength to Weight: Axial, points 33 to 34
5.6
Strength to Weight: Bending, points 38
8.0
Thermal Shock Resistance, points 15 to 16
7.4

Alloy Composition

Aluminum (Al), % 91.6 to 94.4
0
Chromium (Cr), % 0 to 0.040
0
Copper (Cu), % 0 to 0.050
79.2 to 80.7
Gallium (Ga), % 0 to 0.030
0
Iron (Fe), % 0 to 0.3
0
Magnesium (Mg), % 0.7 to 1.5
0
Manganese (Mn), % 0 to 0.050
0
Phosphorus (P), % 0
4.8 to 5.2
Silicon (Si), % 0 to 0.2
0
Silver (Ag), % 0
14.5 to 15.5
Titanium (Ti), % 0 to 0.030
0
Zinc (Zn), % 4.8 to 5.8
0
Zirconium (Zr), % 0.15 to 0.25
0
Residuals, % 0
0 to 0.15