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EN AC-46400 Aluminum vs. C14520 Copper

EN AC-46400 aluminum belongs to the aluminum alloys classification, while C14520 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-46400 aluminum and the bottom bar is C14520 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
120
Elongation at Break, % 1.1 to 1.7
9.0 to 9.6
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 27
43
Tensile Strength: Ultimate (UTS), MPa 170 to 310
290 to 330
Tensile Strength: Yield (Proof), MPa 110 to 270
230 to 250

Thermal Properties

Latent Heat of Fusion, J/g 520
210
Maximum Temperature: Mechanical, °C 170
200
Melting Completion (Liquidus), °C 610
1080
Melting Onset (Solidus), °C 570
1050
Specific Heat Capacity, J/kg-K 890
390
Thermal Conductivity, W/m-K 130
320
Thermal Expansion, µm/m-K 22
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
85
Electrical Conductivity: Equal Weight (Specific), % IACS 110
85

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
33
Density, g/cm3 2.7
8.9
Embodied Carbon, kg CO2/kg material 7.8
2.6
Embodied Energy, MJ/kg 150
42
Embodied Water, L/kg 1070
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.7 to 4.9
24 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 82 to 500
240 to 280
Stiffness to Weight: Axial, points 15
7.2
Stiffness to Weight: Bending, points 52
18
Strength to Weight: Axial, points 18 to 32
9.0 to 10
Strength to Weight: Bending, points 26 to 38
11 to 12
Thermal Diffusivity, mm2/s 55
94
Thermal Shock Resistance, points 7.8 to 14
10 to 12

Alloy Composition

Aluminum (Al), % 85.4 to 90.5
0
Copper (Cu), % 0.8 to 1.3
99.2 to 99.596
Iron (Fe), % 0 to 0.8
0
Lead (Pb), % 0 to 0.1
0
Magnesium (Mg), % 0.25 to 0.65
0
Manganese (Mn), % 0.15 to 0.55
0
Nickel (Ni), % 0 to 0.2
0
Phosphorus (P), % 0
0.0040 to 0.020
Silicon (Si), % 8.3 to 9.7
0
Tellurium (Te), % 0
0.4 to 0.7
Tin (Sn), % 0 to 0.1
0
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.8
0
Residuals, % 0 to 0.25
0