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C71520 Copper-nickel vs. 7076 Aluminum

C71520 copper-nickel belongs to the copper alloys classification, while 7076 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, 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 C71520 copper-nickel and the bottom bar is 7076 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
70
Elongation at Break, % 10 to 45
6.2
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 51
27
Shear Strength, MPa 250 to 340
310
Tensile Strength: Ultimate (UTS), MPa 370 to 570
530
Tensile Strength: Yield (Proof), MPa 140 to 430
460

Thermal Properties

Latent Heat of Fusion, J/g 230
380
Maximum Temperature: Mechanical, °C 260
170
Melting Completion (Liquidus), °C 1170
630
Melting Onset (Solidus), °C 1120
460
Specific Heat Capacity, J/kg-K 400
860
Thermal Conductivity, W/m-K 32
140
Thermal Expansion, µm/m-K 15
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 5.7
35
Electrical Conductivity: Equal Weight (Specific), % IACS 5.8
100

Otherwise Unclassified Properties

Base Metal Price, % relative 40
9.5
Density, g/cm3 8.9
3.0
Embodied Carbon, kg CO2/kg material 5.0
8.0
Embodied Energy, MJ/kg 73
150
Embodied Water, L/kg 280
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 54 to 130
31
Resilience: Unit (Modulus of Resilience), kJ/m3 67 to 680
1510
Stiffness to Weight: Axial, points 8.6
13
Stiffness to Weight: Bending, points 19
45
Strength to Weight: Axial, points 12 to 18
49
Strength to Weight: Bending, points 13 to 17
48
Thermal Diffusivity, mm2/s 8.9
54
Thermal Shock Resistance, points 12 to 19
23

Alloy Composition

Aluminum (Al), % 0
86.9 to 91.2
Carbon (C), % 0 to 0.050
0
Copper (Cu), % 65 to 71.6
0.3 to 1.0
Iron (Fe), % 0.4 to 1.0
0 to 0.6
Lead (Pb), % 0 to 0.020
0
Magnesium (Mg), % 0
1.2 to 2.0
Manganese (Mn), % 0 to 1.0
0.3 to 0.8
Nickel (Ni), % 28 to 33
0
Phosphorus (P), % 0 to 0.2
0
Silicon (Si), % 0
0 to 0.4
Sulfur (S), % 0 to 0.020
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