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EN AC-47000 Aluminum vs. C18700 Copper

EN AC-47000 aluminum belongs to the aluminum alloys classification, while C18700 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-47000 aluminum and the bottom bar is C18700 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
110
Elongation at Break, % 1.7
9.0 to 9.6
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 27
43
Tensile Strength: Ultimate (UTS), MPa 180
290 to 330
Tensile Strength: Yield (Proof), MPa 97
230 to 250

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 570
950
Specific Heat Capacity, J/kg-K 900
380
Thermal Conductivity, W/m-K 130
380
Thermal Expansion, µm/m-K 21
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
98
Electrical Conductivity: Equal Weight (Specific), % IACS 110
99

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
30
Density, g/cm3 2.6
9.0
Embodied Carbon, kg CO2/kg material 7.7
2.6
Embodied Energy, MJ/kg 140
41
Embodied Water, L/kg 1040
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.5
24 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 65
240 to 280
Stiffness to Weight: Axial, points 16
7.1
Stiffness to Weight: Bending, points 54
18
Strength to Weight: Axial, points 19
9.0 to 10
Strength to Weight: Bending, points 27
11 to 12
Thermal Diffusivity, mm2/s 55
110
Thermal Shock Resistance, points 8.3
10 to 12

Alloy Composition

Aluminum (Al), % 82.1 to 89.5
0
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 1.0
98 to 99.2
Iron (Fe), % 0 to 0.8
0
Lead (Pb), % 0 to 0.2
0.8 to 1.5
Magnesium (Mg), % 0 to 0.35
0
Manganese (Mn), % 0.050 to 0.55
0
Nickel (Ni), % 0 to 0.3
0
Silicon (Si), % 10.5 to 13.5
0
Tin (Sn), % 0 to 0.1
0
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.55
0
Residuals, % 0
0 to 0.5