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C96900 Copper-nickel vs. 7076 Aluminum

C96900 copper-nickel belongs to the copper alloys classification, while 7076 aluminum belongs to the aluminum alloys. There are 26 material properties with values for both materials. Properties with values for just one material (5, 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 7076 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
70
Elongation at Break, % 4.5
6.2
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 45
27
Tensile Strength: Ultimate (UTS), MPa 850
530
Tensile Strength: Yield (Proof), MPa 830
460

Thermal Properties

Latent Heat of Fusion, J/g 210
380
Maximum Temperature: Mechanical, °C 210
170
Melting Completion (Liquidus), °C 1060
630
Melting Onset (Solidus), °C 960
460
Specific Heat Capacity, J/kg-K 380
860
Thermal Expansion, µm/m-K 17
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
35
Electrical Conductivity: Equal Weight (Specific), % IACS 9.2
100

Otherwise Unclassified Properties

Base Metal Price, % relative 39
9.5
Density, g/cm3 8.8
3.0
Embodied Carbon, kg CO2/kg material 4.6
8.0
Embodied Energy, MJ/kg 72
150
Embodied Water, L/kg 360
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38
31
Resilience: Unit (Modulus of Resilience), kJ/m3 2820
1510
Stiffness to Weight: Axial, points 7.7
13
Stiffness to Weight: Bending, points 19
45
Strength to Weight: Axial, points 27
49
Strength to Weight: Bending, points 23
48
Thermal Shock Resistance, points 30
23

Alloy Composition

Aluminum (Al), % 0
86.9 to 91.2
Copper (Cu), % 73.6 to 78
0.3 to 1.0
Iron (Fe), % 0 to 0.5
0 to 0.6
Lead (Pb), % 0 to 0.020
0
Magnesium (Mg), % 0 to 0.15
1.2 to 2.0
Manganese (Mn), % 0.050 to 0.3
0.3 to 0.8
Nickel (Ni), % 14.5 to 15.5
0
Niobium (Nb), % 0 to 0.1
0
Silicon (Si), % 0 to 0.3
0 to 0.4
Tin (Sn), % 7.5 to 8.5
0
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0 to 0.5
7.0 to 8.0
Residuals, % 0
0 to 0.15