MakeItFrom.com
Menu (ESC)

8090 Aluminum vs. C71640 Copper-nickel

8090 aluminum belongs to the aluminum alloys classification, while C71640 copper-nickel belongs to the copper alloys. There are 26 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 C71640 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67
140
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 25
52
Tensile Strength: Ultimate (UTS), MPa 340 to 490
490 to 630
Tensile Strength: Yield (Proof), MPa 210 to 420
190 to 460

Thermal Properties

Latent Heat of Fusion, J/g 400
240
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
410
Thermal Conductivity, W/m-K 95 to 160
29
Thermal Expansion, µm/m-K 24
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 66
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 18
40
Density, g/cm3 2.7
8.9
Embodied Carbon, kg CO2/kg material 8.6
5.0
Embodied Energy, MJ/kg 170
73
Embodied Water, L/kg 1160
280

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 340 to 1330
130 to 750
Stiffness to Weight: Axial, points 14
8.7
Stiffness to Weight: Bending, points 50
20
Strength to Weight: Axial, points 34 to 49
15 to 20
Strength to Weight: Bending, points 39 to 50
16 to 18
Thermal Diffusivity, mm2/s 36 to 60
8.2
Thermal Shock Resistance, points 15 to 22
16 to 21

Alloy Composition

Aluminum (Al), % 93 to 98.4
0
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 1.0 to 1.6
61.7 to 67.8
Iron (Fe), % 0 to 0.3
1.7 to 2.3
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
1.5 to 2.5
Nickel (Ni), % 0
29 to 32
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
0 to 0.5