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5070 Aluminum vs. C81500 Copper

5070 aluminum belongs to the aluminum alloys classification, while C81500 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 5070 aluminum and the bottom bar is C81500 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
120
Elongation at Break, % 20
17
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
44
Tensile Strength: Ultimate (UTS), MPa 300
350
Tensile Strength: Yield (Proof), MPa 140
280

Thermal Properties

Latent Heat of Fusion, J/g 390
210
Maximum Temperature: Mechanical, °C 190
200
Melting Completion (Liquidus), °C 640
1090
Melting Onset (Solidus), °C 550
1080
Specific Heat Capacity, J/kg-K 900
390
Thermal Conductivity, W/m-K 130
320
Thermal Expansion, µm/m-K 24
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
82
Electrical Conductivity: Equal Weight (Specific), % IACS 100
83

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
31
Density, g/cm3 2.7
8.9
Embodied Carbon, kg CO2/kg material 8.8
2.6
Embodied Energy, MJ/kg 150
41
Embodied Water, L/kg 1170
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 51
56
Resilience: Unit (Modulus of Resilience), kJ/m3 150
330
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 50
18
Strength to Weight: Axial, points 31
11
Strength to Weight: Bending, points 37
12
Thermal Diffusivity, mm2/s 53
91
Thermal Shock Resistance, points 14
12

Alloy Composition


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Aluminum (Al), % 92.4 to 95.7
0 to 0.1
Chromium (Cr), % 0 to 0.3
0.4 to 1.5
Copper (Cu), % 0 to 0.25
97.4 to 99.6
Iron (Fe), % 0 to 0.4
0 to 0.1
Lead (Pb), % 0
0 to 0.020
Magnesium (Mg), % 3.5 to 4.5
0
Manganese (Mn), % 0.4 to 0.8
0
Silicon (Si), % 0 to 0.25
0 to 0.15
Tin (Sn), % 0
0 to 0.1
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0.4 to 0.8
0 to 0.1
Residuals, % 0 to 0.15
0 to 0.5