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EN AC-71100 Aluminum vs. C55181 Copper

EN AC-71100 aluminum belongs to the aluminum alloys classification, while C55181 copper belongs to the copper alloys. There are 20 material properties with values for both materials. Properties with values for just one material (9, 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 EN AC-71100 aluminum and the bottom bar is C55181 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
110
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 27
40
Tensile Strength: Ultimate (UTS), MPa 260
200

Thermal Properties

Latent Heat of Fusion, J/g 490
190
Maximum Temperature: Mechanical, °C 170
200
Melting Completion (Liquidus), °C 580
790
Melting Onset (Solidus), °C 520
710
Specific Heat Capacity, J/kg-K 860
410
Thermal Expansion, µm/m-K 22
16

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
28
Density, g/cm3 2.9
8.5
Embodied Carbon, kg CO2/kg material 7.4
2.4
Embodied Energy, MJ/kg 140
38
Embodied Water, L/kg 1010
290

Common Calculations

Stiffness to Weight: Axial, points 14
7.0
Stiffness to Weight: Bending, points 47
19
Strength to Weight: Axial, points 25
6.5
Strength to Weight: Bending, points 31
8.9
Thermal Shock Resistance, points 12
8.2

Alloy Composition

Aluminum (Al), % 78.7 to 83.3
0
Copper (Cu), % 0 to 0.1
92.4 to 93
Iron (Fe), % 0 to 0.3
0
Magnesium (Mg), % 0.2 to 0.5
0
Manganese (Mn), % 0 to 0.15
0
Phosphorus (P), % 0
7.0 to 7.5
Silicon (Si), % 7.5 to 9.5
0
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 9.0 to 10.5
0
Residuals, % 0
0 to 0.15