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7108A Aluminum vs. C55180 Copper

7108A aluminum belongs to the aluminum alloys classification, while C55180 copper belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (5, 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 C55180 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
110
Elongation at Break, % 11 to 13
20
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
41
Tensile Strength: Ultimate (UTS), MPa 350
200
Tensile Strength: Yield (Proof), MPa 290 to 300
100

Thermal Properties

Latent Heat of Fusion, J/g 380
200
Maximum Temperature: Mechanical, °C 210
200
Melting Completion (Liquidus), °C 630
920
Melting Onset (Solidus), °C 520
710
Specific Heat Capacity, J/kg-K 870
400
Thermal Conductivity, W/m-K 150
200
Thermal Expansion, µm/m-K 24
17

Otherwise Unclassified Properties

Base Metal Price, % relative 10
29
Density, g/cm3 2.9
8.6
Embodied Carbon, kg CO2/kg material 8.3
2.5
Embodied Energy, MJ/kg 150
39
Embodied Water, L/kg 1150
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38 to 44
34
Resilience: Unit (Modulus of Resilience), kJ/m3 610 to 640
48
Stiffness to Weight: Axial, points 13
7.1
Stiffness to Weight: Bending, points 47
18
Strength to Weight: Axial, points 33 to 34
6.4
Strength to Weight: Bending, points 38
8.8
Thermal Diffusivity, mm2/s 59
56
Thermal Shock Resistance, points 15 to 16
7.9

Alloy Composition

Aluminum (Al), % 91.6 to 94.4
0
Chromium (Cr), % 0 to 0.040
0
Copper (Cu), % 0 to 0.050
94.7 to 95.2
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
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