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EN AC-44000 Aluminum vs. C72800 Copper-nickel

EN AC-44000 aluminum belongs to the aluminum alloys classification, while C72800 copper-nickel belongs to the copper alloys. There are 28 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 C72800 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
120
Elongation at Break, % 7.3
3.9 to 23
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 27
44
Tensile Strength: Ultimate (UTS), MPa 180
520 to 1270
Tensile Strength: Yield (Proof), MPa 86
250 to 1210

Thermal Properties

Latent Heat of Fusion, J/g 560
210
Maximum Temperature: Mechanical, °C 170
200
Melting Completion (Liquidus), °C 590
1080
Melting Onset (Solidus), °C 590
920
Specific Heat Capacity, J/kg-K 910
380
Thermal Conductivity, W/m-K 140
55
Thermal Expansion, µm/m-K 21
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
11
Electrical Conductivity: Equal Weight (Specific), % IACS 130
11

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
38
Density, g/cm3 2.5
8.8
Embodied Carbon, kg CO2/kg material 7.8
4.4
Embodied Energy, MJ/kg 150
68
Embodied Water, L/kg 1070
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11
37 to 99
Resilience: Unit (Modulus of Resilience), kJ/m3 51
260 to 5650
Stiffness to Weight: Axial, points 16
7.4
Stiffness to Weight: Bending, points 55
19
Strength to Weight: Axial, points 20
17 to 40
Strength to Weight: Bending, points 28
16 to 30
Thermal Diffusivity, mm2/s 61
17
Thermal Shock Resistance, points 8.4
19 to 45

Alloy Composition


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Aluminum (Al), % 87.1 to 90
0 to 0.1
Antimony (Sb), % 0
0 to 0.020
Bismuth (Bi), % 0
0 to 0.0010
Boron (B), % 0
0 to 0.0010
Copper (Cu), % 0 to 0.050
78.3 to 82.8
Iron (Fe), % 0 to 0.19
0 to 0.5
Lead (Pb), % 0
0 to 0.0050
Magnesium (Mg), % 0 to 0.45
0.0050 to 0.15
Manganese (Mn), % 0 to 0.1
0.050 to 0.3
Nickel (Ni), % 0
9.5 to 10.5
Niobium (Nb), % 0
0.1 to 0.3
Phosphorus (P), % 0
0 to 0.0050
Silicon (Si), % 10 to 11.8
0 to 0.050
Sulfur (S), % 0
0 to 0.0025
Tin (Sn), % 0
7.5 to 8.5
Titanium (Ti), % 0 to 0.15
0 to 0.010
Zinc (Zn), % 0 to 0.070
0 to 1.0
Residuals, % 0 to 0.1
0 to 0.3