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EN AC-42100 Aluminum vs. C18200 Copper

EN AC-42100 aluminum belongs to the aluminum alloys classification, while C18200 copper belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, 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-42100 aluminum and the bottom bar is C18200 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
120
Elongation at Break, % 3.4 to 9.0
11 to 40
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
44
Tensile Strength: Ultimate (UTS), MPa 280 to 290
310 to 530
Tensile Strength: Yield (Proof), MPa 210 to 230
97 to 450

Thermal Properties

Latent Heat of Fusion, J/g 500
210
Maximum Temperature: Mechanical, °C 170
200
Melting Completion (Liquidus), °C 610
1080
Melting Onset (Solidus), °C 600
1070
Specific Heat Capacity, J/kg-K 910
390
Thermal Conductivity, W/m-K 150
320
Thermal Expansion, µm/m-K 22
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
80
Electrical Conductivity: Equal Weight (Specific), % IACS 140
81

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
31
Density, g/cm3 2.6
8.9
Embodied Carbon, kg CO2/kg material 8.0
2.6
Embodied Energy, MJ/kg 150
41
Embodied Water, L/kg 1110
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.1 to 23
43 to 96
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 370
40 to 860
Stiffness to Weight: Axial, points 15
7.3
Stiffness to Weight: Bending, points 53
18
Strength to Weight: Axial, points 30 to 31
9.6 to 16
Strength to Weight: Bending, points 37 to 38
11 to 16
Thermal Diffusivity, mm2/s 66
93
Thermal Shock Resistance, points 13
11 to 18

Alloy Composition

Aluminum (Al), % 91.3 to 93.3
0
Chromium (Cr), % 0
0.6 to 1.2
Copper (Cu), % 0 to 0.050
98.6 to 99.4
Iron (Fe), % 0 to 0.19
0 to 0.1
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0.25 to 0.45
0
Manganese (Mn), % 0 to 0.1
0
Silicon (Si), % 6.5 to 7.5
0 to 0.1
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.070
0
Residuals, % 0 to 0.1
0