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C96900 Copper-nickel vs. 7116 Aluminum

C96900 copper-nickel belongs to the copper alloys classification, while 7116 aluminum belongs to the aluminum 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 C96900 copper-nickel and the bottom bar is 7116 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
69
Elongation at Break, % 4.5
7.8
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 45
26
Tensile Strength: Ultimate (UTS), MPa 850
370
Tensile Strength: Yield (Proof), MPa 830
330

Thermal Properties

Latent Heat of Fusion, J/g 210
380
Maximum Temperature: Mechanical, °C 210
170
Melting Completion (Liquidus), °C 1060
640
Melting Onset (Solidus), °C 960
520
Specific Heat Capacity, J/kg-K 380
880
Thermal Expansion, µm/m-K 17
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
46
Electrical Conductivity: Equal Weight (Specific), % IACS 9.2
140

Otherwise Unclassified Properties

Base Metal Price, % relative 39
9.5
Density, g/cm3 8.8
2.9
Embodied Carbon, kg CO2/kg material 4.6
8.2
Embodied Energy, MJ/kg 72
150
Embodied Water, L/kg 360
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38
28
Resilience: Unit (Modulus of Resilience), kJ/m3 2820
790
Stiffness to Weight: Axial, points 7.7
13
Stiffness to Weight: Bending, points 19
47
Strength to Weight: Axial, points 27
35
Strength to Weight: Bending, points 23
39
Thermal Shock Resistance, points 30
16

Alloy Composition

Aluminum (Al), % 0
91.5 to 94.5
Copper (Cu), % 73.6 to 78
0.5 to 1.1
Gallium (Ga), % 0
0 to 0.030
Iron (Fe), % 0 to 0.5
0 to 0.3
Lead (Pb), % 0 to 0.020
0
Magnesium (Mg), % 0 to 0.15
0.8 to 1.4
Manganese (Mn), % 0.050 to 0.3
0 to 0.050
Nickel (Ni), % 14.5 to 15.5
0
Niobium (Nb), % 0 to 0.1
0
Silicon (Si), % 0 to 0.3
0 to 0.15
Tin (Sn), % 7.5 to 8.5
0
Titanium (Ti), % 0
0 to 0.050
Vanadium (V), % 0
0 to 0.050
Zinc (Zn), % 0 to 0.5
4.2 to 5.2
Residuals, % 0
0 to 0.15