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EN AC-46500 Aluminum vs. C18700 Copper

EN AC-46500 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-46500 aluminum and the bottom bar is C18700 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 74
110
Elongation at Break, % 1.0
9.0 to 9.6
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 28
43
Tensile Strength: Ultimate (UTS), MPa 270
290 to 330
Tensile Strength: Yield (Proof), MPa 160
230 to 250

Thermal Properties

Latent Heat of Fusion, J/g 520
210
Maximum Temperature: Mechanical, °C 180
200
Melting Completion (Liquidus), °C 610
1080
Melting Onset (Solidus), °C 520
950
Specific Heat Capacity, J/kg-K 880
380
Thermal Conductivity, W/m-K 100
380
Thermal Expansion, µm/m-K 21
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
98
Electrical Conductivity: Equal Weight (Specific), % IACS 81
99

Otherwise Unclassified Properties

Base Metal Price, % relative 10
30
Density, g/cm3 2.9
9.0
Embodied Carbon, kg CO2/kg material 7.6
2.6
Embodied Energy, MJ/kg 140
41
Embodied Water, L/kg 1030
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.3
24 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 170
240 to 280
Stiffness to Weight: Axial, points 14
7.1
Stiffness to Weight: Bending, points 49
18
Strength to Weight: Axial, points 26
9.0 to 10
Strength to Weight: Bending, points 32
11 to 12
Thermal Diffusivity, mm2/s 41
110
Thermal Shock Resistance, points 12
10 to 12

Alloy Composition


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Aluminum (Al), % 77.9 to 90
0
Chromium (Cr), % 0 to 0.15
0
Copper (Cu), % 2.0 to 4.0
98 to 99.2
Iron (Fe), % 0 to 1.3
0
Lead (Pb), % 0 to 0.35
0.8 to 1.5
Magnesium (Mg), % 0.050 to 0.55
0
Manganese (Mn), % 0 to 0.55
0
Nickel (Ni), % 0 to 0.55
0
Silicon (Si), % 8.0 to 11
0
Tin (Sn), % 0 to 0.15
0
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 3.0
0
Residuals, % 0 to 0.25
0 to 0.5