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6023 Aluminum vs. C71580 Copper-nickel

6023 aluminum belongs to the aluminum alloys classification, while C71580 copper-nickel belongs to the copper 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 6023 aluminum and the bottom bar is C71580 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
140
Elongation at Break, % 11
40
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
51
Shear Strength, MPa 210 to 220
230
Tensile Strength: Ultimate (UTS), MPa 360
330
Tensile Strength: Yield (Proof), MPa 300 to 310
110

Thermal Properties

Latent Heat of Fusion, J/g 400
230
Maximum Temperature: Mechanical, °C 160
260
Melting Completion (Liquidus), °C 640
1180
Melting Onset (Solidus), °C 580
1120
Specific Heat Capacity, J/kg-K 890
400
Thermal Conductivity, W/m-K 170
39
Thermal Expansion, µm/m-K 23
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
4.7
Electrical Conductivity: Equal Weight (Specific), % IACS 140
4.7

Otherwise Unclassified Properties

Base Metal Price, % relative 11
41
Density, g/cm3 2.8
8.9
Embodied Carbon, kg CO2/kg material 8.3
5.1
Embodied Energy, MJ/kg 150
74
Embodied Water, L/kg 1180
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38 to 39
100
Resilience: Unit (Modulus of Resilience), kJ/m3 670 to 690
47
Stiffness to Weight: Axial, points 14
8.5
Stiffness to Weight: Bending, points 49
19
Strength to Weight: Axial, points 35 to 36
10
Strength to Weight: Bending, points 40
12
Thermal Diffusivity, mm2/s 67
11
Thermal Shock Resistance, points 16
11

Alloy Composition

Aluminum (Al), % 94 to 97.7
0
Bismuth (Bi), % 0.3 to 0.8
0
Carbon (C), % 0
0 to 0.070
Copper (Cu), % 0.2 to 0.5
65.5 to 71
Iron (Fe), % 0 to 0.5
0 to 0.5
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0.4 to 0.9
0
Manganese (Mn), % 0.2 to 0.6
0 to 0.3
Nickel (Ni), % 0
29 to 33
Silicon (Si), % 0.6 to 1.4
0
Tin (Sn), % 0.6 to 1.2
0
Zinc (Zn), % 0
0 to 0.050
Residuals, % 0
0 to 0.5