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5088 Aluminum vs. C71640 Copper-nickel

5088 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 5088 aluminum and the bottom bar is C71640 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
140
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 25
52
Tensile Strength: Ultimate (UTS), MPa 310
490 to 630
Tensile Strength: Yield (Proof), MPa 150
190 to 460

Thermal Properties

Latent Heat of Fusion, J/g 390
240
Maximum Temperature: Mechanical, °C 200
260
Melting Completion (Liquidus), °C 640
1180
Melting Onset (Solidus), °C 540
1120
Specific Heat Capacity, J/kg-K 900
410
Thermal Conductivity, W/m-K 120
29
Thermal Expansion, µm/m-K 24
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 98
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
40
Density, g/cm3 2.7
8.9
Embodied Carbon, kg CO2/kg material 9.0
5.0
Embodied Energy, MJ/kg 150
73
Embodied Water, L/kg 1180
280

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 170
130 to 750
Stiffness to Weight: Axial, points 14
8.7
Stiffness to Weight: Bending, points 50
20
Strength to Weight: Axial, points 32
15 to 20
Strength to Weight: Bending, points 38
16 to 18
Thermal Diffusivity, mm2/s 51
8.2
Thermal Shock Resistance, points 14
16 to 21

Alloy Composition


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Aluminum (Al), % 92.4 to 94.8
0
Chromium (Cr), % 0 to 0.15
0
Copper (Cu), % 0 to 0.25
61.7 to 67.8
Iron (Fe), % 0.1 to 0.35
1.7 to 2.3
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 4.7 to 5.5
0
Manganese (Mn), % 0.2 to 0.5
1.5 to 2.5
Nickel (Ni), % 0
29 to 32
Silicon (Si), % 0 to 0.2
0
Zinc (Zn), % 0.2 to 0.4
0 to 1.0
Zirconium (Zr), % 0 to 0.15
0
Residuals, % 0 to 0.15
0 to 0.5