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C55181 Copper vs. 1085 Aluminum

C55181 copper belongs to the copper alloys classification, while 1085 aluminum belongs to the aluminum alloys. There are 20 material properties with values for both materials. Properties with values for just one material (11, 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 C55181 copper and the bottom bar is 1085 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
Tensile Strength: Ultimate (UTS), MPa 200
73 to 140

Thermal Properties

Latent Heat of Fusion, J/g 190
400
Maximum Temperature: Mechanical, °C 200
170
Melting Completion (Liquidus), °C 790
640
Melting Onset (Solidus), °C 710
640
Specific Heat Capacity, J/kg-K 410
900
Thermal Expansion, µm/m-K 16
23

Otherwise Unclassified Properties

Base Metal Price, % relative 28
9.5
Density, g/cm3 8.5
2.7
Embodied Carbon, kg CO2/kg material 2.4
8.3
Embodied Energy, MJ/kg 38
160
Embodied Water, L/kg 290
1200

Common Calculations

Stiffness to Weight: Axial, points 7.0
14
Stiffness to Weight: Bending, points 19
50
Strength to Weight: Axial, points 6.5
7.5 to 14
Strength to Weight: Bending, points 8.9
14 to 22
Thermal Shock Resistance, points 8.2
3.3 to 6.1

Alloy Composition

Aluminum (Al), % 0
99.85 to 100
Copper (Cu), % 92.4 to 93
0 to 0.030
Gallium (Ga), % 0
0 to 0.030
Iron (Fe), % 0
0 to 0.12
Magnesium (Mg), % 0
0 to 0.020
Manganese (Mn), % 0
0 to 0.020
Phosphorus (P), % 7.0 to 7.5
0
Silicon (Si), % 0
0 to 0.1
Titanium (Ti), % 0
0 to 0.020
Vanadium (V), % 0
0 to 0.050
Zinc (Zn), % 0
0 to 0.030
Residuals, % 0
0 to 0.010