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5042 Aluminum vs. C70400 Copper-nickel

5042 aluminum belongs to the aluminum alloys classification, while C70400 copper-nickel belongs to the copper 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 5042 aluminum and the bottom bar is C70400 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
120
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
45
Tensile Strength: Ultimate (UTS), MPa 340 to 360
300 to 310
Tensile Strength: Yield (Proof), MPa 270 to 310
95 to 230

Thermal Properties

Latent Heat of Fusion, J/g 400
210
Maximum Temperature: Mechanical, °C 180
210
Melting Completion (Liquidus), °C 640
1120
Melting Onset (Solidus), °C 570
1060
Specific Heat Capacity, J/kg-K 900
390
Thermal Conductivity, W/m-K 130
64
Thermal Expansion, µm/m-K 24
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
14
Electrical Conductivity: Equal Weight (Specific), % IACS 110
14

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
32
Density, g/cm3 2.7
8.9
Embodied Carbon, kg CO2/kg material 8.8
3.0
Embodied Energy, MJ/kg 150
47
Embodied Water, L/kg 1180
300

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 550 to 720
38 to 220
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 50
19
Strength to Weight: Axial, points 35 to 37
9.3 to 9.8
Strength to Weight: Bending, points 40 to 42
11 to 12
Thermal Diffusivity, mm2/s 53
18
Thermal Shock Resistance, points 15 to 16
10 to 11

Alloy Composition

Aluminum (Al), % 94.2 to 96.8
0
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.15
89.8 to 93.6
Iron (Fe), % 0 to 0.35
1.3 to 1.7
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 3.0 to 4.0
0
Manganese (Mn), % 0.2 to 0.5
0.3 to 0.8
Nickel (Ni), % 0
4.8 to 6.2
Silicon (Si), % 0 to 0.2
0
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.25
0 to 1.0
Residuals, % 0
0 to 0.5