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EN AC-44500 Aluminum vs. C18900 Copper

EN AC-44500 aluminum belongs to the aluminum alloys classification, while C18900 copper belongs to the copper 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 EN AC-44500 aluminum and the bottom bar is C18900 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
120
Elongation at Break, % 1.1
14 to 48
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 27
43
Tensile Strength: Ultimate (UTS), MPa 270
260 to 500
Tensile Strength: Yield (Proof), MPa 160
67 to 390

Thermal Properties

Latent Heat of Fusion, J/g 570
210
Maximum Temperature: Mechanical, °C 170
200
Melting Completion (Liquidus), °C 590
1080
Melting Onset (Solidus), °C 580
1020
Specific Heat Capacity, J/kg-K 900
390
Thermal Conductivity, W/m-K 130
130
Thermal Expansion, µm/m-K 21
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
30
Electrical Conductivity: Equal Weight (Specific), % IACS 120
30

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
31
Density, g/cm3 2.5
8.9
Embodied Carbon, kg CO2/kg material 7.7
2.7
Embodied Energy, MJ/kg 140
42
Embodied Water, L/kg 1050
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.6
65 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 180
20 to 660
Stiffness to Weight: Axial, points 16
7.2
Stiffness to Weight: Bending, points 55
18
Strength to Weight: Axial, points 29
8.2 to 16
Strength to Weight: Bending, points 36
10 to 16
Thermal Diffusivity, mm2/s 57
38
Thermal Shock Resistance, points 13
9.3 to 18

Alloy Composition

Aluminum (Al), % 83.7 to 89.5
0 to 0.010
Copper (Cu), % 0 to 0.2
97.7 to 99.15
Iron (Fe), % 0 to 1.0
0
Lead (Pb), % 0
0 to 0.020
Magnesium (Mg), % 0 to 0.4
0
Manganese (Mn), % 0 to 0.55
0.1 to 0.3
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 10.5 to 13.5
0.15 to 0.4
Tin (Sn), % 0
0.6 to 0.9
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.3
0 to 0.1
Residuals, % 0
0 to 0.5