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C70700 Copper-nickel vs. 6023 Aluminum

C70700 copper-nickel belongs to the copper alloys classification, while 6023 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, 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 C70700 copper-nickel and the bottom bar is 6023 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
69
Elongation at Break, % 39
11
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 46
26
Shear Strength, MPa 220
210 to 220
Tensile Strength: Ultimate (UTS), MPa 320
360
Tensile Strength: Yield (Proof), MPa 110
300 to 310

Thermal Properties

Latent Heat of Fusion, J/g 220
400
Maximum Temperature: Mechanical, °C 220
160
Melting Completion (Liquidus), °C 1120
640
Melting Onset (Solidus), °C 1060
580
Specific Heat Capacity, J/kg-K 390
890
Thermal Conductivity, W/m-K 59
170
Thermal Expansion, µm/m-K 16
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
45
Electrical Conductivity: Equal Weight (Specific), % IACS 12
140

Otherwise Unclassified Properties

Base Metal Price, % relative 34
11
Density, g/cm3 8.9
2.8
Embodied Carbon, kg CO2/kg material 3.4
8.3
Embodied Energy, MJ/kg 52
150
Embodied Water, L/kg 300
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
38 to 39
Resilience: Unit (Modulus of Resilience), kJ/m3 51
670 to 690
Stiffness to Weight: Axial, points 7.6
14
Stiffness to Weight: Bending, points 19
49
Strength to Weight: Axial, points 10
35 to 36
Strength to Weight: Bending, points 12
40
Thermal Diffusivity, mm2/s 17
67
Thermal Shock Resistance, points 12
16

Alloy Composition

Aluminum (Al), % 0
94 to 97.7
Bismuth (Bi), % 0
0.3 to 0.8
Copper (Cu), % 88.5 to 90.5
0.2 to 0.5
Iron (Fe), % 0 to 0.050
0 to 0.5
Magnesium (Mg), % 0
0.4 to 0.9
Manganese (Mn), % 0 to 0.5
0.2 to 0.6
Nickel (Ni), % 9.5 to 10.5
0
Silicon (Si), % 0
0.6 to 1.4
Tin (Sn), % 0
0.6 to 1.2
Residuals, % 0
0 to 0.15