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8090 Aluminum vs. C72200 Copper-nickel

8090 aluminum belongs to the aluminum alloys classification, while C72200 copper-nickel belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (8, 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 C72200 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67
130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 25
48
Tensile Strength: Ultimate (UTS), MPa 340 to 490
350 to 580

Thermal Properties

Latent Heat of Fusion, J/g 400
220
Maximum Temperature: Mechanical, °C 190
230
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
34
Thermal Expansion, µm/m-K 24
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
6.5
Electrical Conductivity: Equal Weight (Specific), % IACS 66
6.6

Otherwise Unclassified Properties

Base Metal Price, % relative 18
36
Density, g/cm3 2.7
8.9
Embodied Carbon, kg CO2/kg material 8.6
3.9
Embodied Energy, MJ/kg 170
59
Embodied Water, L/kg 1160
300

Common Calculations

Stiffness to Weight: Axial, points 14
8.0
Stiffness to Weight: Bending, points 50
19
Strength to Weight: Axial, points 34 to 49
11 to 18
Strength to Weight: Bending, points 39 to 50
12 to 17
Thermal Diffusivity, mm2/s 36 to 60
9.6
Thermal Shock Resistance, points 15 to 22
12 to 20

Alloy Composition


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Aluminum (Al), % 93 to 98.4
0
Chromium (Cr), % 0 to 0.1
0.3 to 0.7
Copper (Cu), % 1.0 to 1.6
78.1 to 84.2
Iron (Fe), % 0 to 0.3
0.5 to 1.0
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 1.0
Nickel (Ni), % 0
15 to 18
Silicon (Si), % 0 to 0.2
0
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.25
0 to 1.0
Zirconium (Zr), % 0.040 to 0.16
0
Residuals, % 0 to 0.15
0 to 0.2