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C81400 Copper vs. EN AC-44000 Aluminum

C81400 copper belongs to the copper alloys classification, while EN AC-44000 aluminum belongs to the aluminum alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, 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 C81400 copper and the bottom bar is EN AC-44000 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
71
Elongation at Break, % 11
7.3
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 41
27
Tensile Strength: Ultimate (UTS), MPa 370
180
Tensile Strength: Yield (Proof), MPa 250
86

Thermal Properties

Latent Heat of Fusion, J/g 210
560
Maximum Temperature: Mechanical, °C 200
170
Melting Completion (Liquidus), °C 1090
590
Melting Onset (Solidus), °C 1070
590
Specific Heat Capacity, J/kg-K 390
910
Thermal Conductivity, W/m-K 260
140
Thermal Expansion, µm/m-K 17
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
36
Electrical Conductivity: Equal Weight (Specific), % IACS 61
130

Otherwise Unclassified Properties

Base Metal Price, % relative 33
9.5
Density, g/cm3 8.9
2.5
Embodied Carbon, kg CO2/kg material 2.8
7.8
Embodied Energy, MJ/kg 45
150
Embodied Water, L/kg 310
1070

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
11
Resilience: Unit (Modulus of Resilience), kJ/m3 260
51
Stiffness to Weight: Axial, points 7.3
16
Stiffness to Weight: Bending, points 18
55
Strength to Weight: Axial, points 11
20
Strength to Weight: Bending, points 13
28
Thermal Diffusivity, mm2/s 75
61
Thermal Shock Resistance, points 13
8.4

Alloy Composition

Aluminum (Al), % 0
87.1 to 90
Beryllium (Be), % 0.020 to 0.1
0
Chromium (Cr), % 0.6 to 1.0
0
Copper (Cu), % 98.4 to 99.38
0 to 0.050
Iron (Fe), % 0
0 to 0.19
Magnesium (Mg), % 0
0 to 0.45
Manganese (Mn), % 0
0 to 0.1
Silicon (Si), % 0
10 to 11.8
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 0
0 to 0.070
Residuals, % 0
0 to 0.1