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EN AC-44100 Aluminum vs. C72200 Copper-nickel

EN AC-44100 aluminum belongs to the aluminum alloys classification, while C72200 copper-nickel belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (8, 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-44100 aluminum and the bottom bar is C72200 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
48
Tensile Strength: Ultimate (UTS), MPa 180
350 to 580

Thermal Properties

Latent Heat of Fusion, J/g 570
220
Maximum Temperature: Mechanical, °C 170
230
Melting Completion (Liquidus), °C 590
1180
Melting Onset (Solidus), °C 580
1120
Specific Heat Capacity, J/kg-K 900
400
Thermal Conductivity, W/m-K 130
34
Thermal Expansion, µm/m-K 21
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
6.5
Electrical Conductivity: Equal Weight (Specific), % IACS 120
6.6

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
36
Density, g/cm3 2.5
8.9
Embodied Carbon, kg CO2/kg material 7.7
3.9
Embodied Energy, MJ/kg 140
59
Embodied Water, L/kg 1050
300

Common Calculations

Stiffness to Weight: Axial, points 16
8.0
Stiffness to Weight: Bending, points 55
19
Strength to Weight: Axial, points 19
11 to 18
Strength to Weight: Bending, points 27
12 to 17
Thermal Diffusivity, mm2/s 58
9.6
Thermal Shock Resistance, points 8.2
12 to 20

Alloy Composition

Aluminum (Al), % 84.4 to 89.5
0
Chromium (Cr), % 0
0.3 to 0.7
Copper (Cu), % 0 to 0.15
78.1 to 84.2
Iron (Fe), % 0 to 0.65
0.5 to 1.0
Lead (Pb), % 0 to 0.1
0 to 0.050
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.55
0 to 1.0
Nickel (Ni), % 0 to 0.1
15 to 18
Silicon (Si), % 10.5 to 13.5
0
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.15
0 to 1.0
Residuals, % 0
0 to 0.2