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8090 Aluminum vs. C71580 Copper-nickel

8090 aluminum belongs to the aluminum alloys classification, while C71580 copper-nickel belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, 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 8090 aluminum and the bottom bar is C71580 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67
140
Elongation at Break, % 3.5 to 13
40
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 25
51
Tensile Strength: Ultimate (UTS), MPa 340 to 490
330
Tensile Strength: Yield (Proof), MPa 210 to 420
110

Thermal Properties

Latent Heat of Fusion, J/g 400
230
Maximum Temperature: Mechanical, °C 190
260
Melting Completion (Liquidus), °C 660
1180
Melting Onset (Solidus), °C 600
1120
Specific Heat Capacity, J/kg-K 960
400
Thermal Conductivity, W/m-K 95 to 160
39
Thermal Expansion, µm/m-K 24
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
4.7
Electrical Conductivity: Equal Weight (Specific), % IACS 66
4.7

Otherwise Unclassified Properties

Base Metal Price, % relative 18
41
Density, g/cm3 2.7
8.9
Embodied Carbon, kg CO2/kg material 8.6
5.1
Embodied Energy, MJ/kg 170
74
Embodied Water, L/kg 1160
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 41
100
Resilience: Unit (Modulus of Resilience), kJ/m3 340 to 1330
47
Stiffness to Weight: Axial, points 14
8.5
Stiffness to Weight: Bending, points 50
19
Strength to Weight: Axial, points 34 to 49
10
Strength to Weight: Bending, points 39 to 50
12
Thermal Diffusivity, mm2/s 36 to 60
11
Thermal Shock Resistance, points 15 to 22
11

Alloy Composition


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Aluminum (Al), % 93 to 98.4
0
Carbon (C), % 0
0 to 0.070
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 1.0 to 1.6
65.5 to 71
Iron (Fe), % 0 to 0.3
0 to 0.5
Lead (Pb), % 0
0 to 0.050
Lithium (Li), % 2.2 to 2.7
0
Magnesium (Mg), % 0.6 to 1.3
0
Manganese (Mn), % 0 to 0.1
0 to 0.3
Nickel (Ni), % 0
29 to 33
Silicon (Si), % 0 to 0.2
0
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.25
0 to 0.050
Zirconium (Zr), % 0.040 to 0.16
0
Residuals, % 0 to 0.15
0 to 0.5