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C72900 Copper-nickel vs. 2014 Aluminum

C72900 copper-nickel belongs to the copper alloys classification, while 2014 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (1, 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 C72900 copper-nickel and the bottom bar is 2014 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
72
Elongation at Break, % 6.0 to 20
1.5 to 16
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 45
27
Shear Strength, MPa 540 to 630
130 to 290
Tensile Strength: Ultimate (UTS), MPa 870 to 1080
190 to 500
Tensile Strength: Yield (Proof), MPa 700 to 920
100 to 440

Thermal Properties

Latent Heat of Fusion, J/g 210
400
Maximum Temperature: Mechanical, °C 210
210
Melting Completion (Liquidus), °C 1120
630
Melting Onset (Solidus), °C 950
510
Specific Heat Capacity, J/kg-K 380
870
Thermal Conductivity, W/m-K 29
150
Thermal Expansion, µm/m-K 17
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
40
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
120

Otherwise Unclassified Properties

Base Metal Price, % relative 39
11
Density, g/cm3 8.8
3.0
Embodied Carbon, kg CO2/kg material 4.6
8.1
Embodied Energy, MJ/kg 72
150
Embodied Water, L/kg 360
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 49 to 210
6.6 to 56
Resilience: Unit (Modulus of Resilience), kJ/m3 2030 to 3490
76 to 1330
Stiffness to Weight: Axial, points 7.6
13
Stiffness to Weight: Bending, points 19
46
Strength to Weight: Axial, points 27 to 34
18 to 46
Strength to Weight: Bending, points 23 to 27
25 to 46
Thermal Diffusivity, mm2/s 8.6
58
Thermal Shock Resistance, points 31 to 38
8.4 to 22

Alloy Composition


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Aluminum (Al), % 0
90.4 to 95
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 74.1 to 78
3.9 to 5.0
Iron (Fe), % 0 to 0.5
0 to 0.7
Lead (Pb), % 0 to 0.020
0
Magnesium (Mg), % 0 to 0.15
0.2 to 0.8
Manganese (Mn), % 0 to 0.3
0.4 to 1.2
Nickel (Ni), % 14.5 to 15.5
0
Niobium (Nb), % 0 to 0.1
0
Silicon (Si), % 0
0.5 to 1.2
Tin (Sn), % 7.5 to 8.5
0
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 0 to 0.5
0 to 0.25
Zirconium (Zr), % 0
0 to 0.2
Residuals, % 0 to 0.3
0 to 0.15