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5070 Aluminum vs. C18100 Copper

5070 aluminum belongs to the aluminum alloys classification, while C18100 copper belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, 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 C18100 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
120
Elongation at Break, % 20
8.3
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
47
Shear Strength, MPa 190
300
Tensile Strength: Ultimate (UTS), MPa 300
510
Tensile Strength: Yield (Proof), MPa 140
460

Thermal Properties

Latent Heat of Fusion, J/g 390
210
Maximum Temperature: Mechanical, °C 190
200
Melting Completion (Liquidus), °C 640
1080
Melting Onset (Solidus), °C 550
1020
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
80
Electrical Conductivity: Equal Weight (Specific), % IACS 100
81

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
2.7
Embodied Energy, MJ/kg 150
43
Embodied Water, L/kg 1170
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 51
40
Resilience: Unit (Modulus of Resilience), kJ/m3 150
900
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 50
18
Strength to Weight: Axial, points 31
16
Strength to Weight: Bending, points 37
16
Thermal Diffusivity, mm2/s 53
94
Thermal Shock Resistance, points 14
18

Alloy Composition


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Aluminum (Al), % 92.4 to 95.7
0
Chromium (Cr), % 0 to 0.3
0.4 to 1.2
Copper (Cu), % 0 to 0.25
98.7 to 99.49
Iron (Fe), % 0 to 0.4
0
Magnesium (Mg), % 3.5 to 4.5
0.030 to 0.060
Manganese (Mn), % 0.4 to 0.8
0
Silicon (Si), % 0 to 0.25
0
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0.4 to 0.8
0
Zirconium (Zr), % 0
0.080 to 0.2
Residuals, % 0 to 0.15
0 to 0.5