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EN AC-44000 Aluminum vs. C70400 Copper-nickel

EN AC-44000 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 EN AC-44000 aluminum and the bottom bar is C70400 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
120
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 27
45
Tensile Strength: Ultimate (UTS), MPa 180
300 to 310
Tensile Strength: Yield (Proof), MPa 86
95 to 230

Thermal Properties

Latent Heat of Fusion, J/g 560
210
Maximum Temperature: Mechanical, °C 170
210
Melting Completion (Liquidus), °C 590
1120
Melting Onset (Solidus), °C 590
1060
Specific Heat Capacity, J/kg-K 910
390
Thermal Conductivity, W/m-K 140
64
Thermal Expansion, µm/m-K 21
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
14
Electrical Conductivity: Equal Weight (Specific), % IACS 130
14

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
32
Density, g/cm3 2.5
8.9
Embodied Carbon, kg CO2/kg material 7.8
3.0
Embodied Energy, MJ/kg 150
47
Embodied Water, L/kg 1070
300

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 51
38 to 220
Stiffness to Weight: Axial, points 16
7.5
Stiffness to Weight: Bending, points 55
19
Strength to Weight: Axial, points 20
9.3 to 9.8
Strength to Weight: Bending, points 28
11 to 12
Thermal Diffusivity, mm2/s 61
18
Thermal Shock Resistance, points 8.4
10 to 11

Alloy Composition


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Aluminum (Al), % 87.1 to 90
0
Copper (Cu), % 0 to 0.050
89.8 to 93.6
Iron (Fe), % 0 to 0.19
1.3 to 1.7
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0 to 0.45
0
Manganese (Mn), % 0 to 0.1
0.3 to 0.8
Nickel (Ni), % 0
4.8 to 6.2
Silicon (Si), % 10 to 11.8
0
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.070
0 to 1.0
Residuals, % 0 to 0.1
0 to 0.5