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A444.0 Aluminum vs. C72150 Copper-nickel

A444.0 aluminum belongs to the aluminum alloys classification, while C72150 copper-nickel belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, 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 A444.0 aluminum and the bottom bar is C72150 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
150
Elongation at Break, % 18
29
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
55
Tensile Strength: Ultimate (UTS), MPa 160
490
Tensile Strength: Yield (Proof), MPa 66
210

Thermal Properties

Latent Heat of Fusion, J/g 500
250
Maximum Temperature: Mechanical, °C 170
600
Melting Completion (Liquidus), °C 630
1210
Melting Onset (Solidus), °C 590
1250
Specific Heat Capacity, J/kg-K 900
410
Thermal Conductivity, W/m-K 160
22
Thermal Expansion, µm/m-K 22
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
3.5
Electrical Conductivity: Equal Weight (Specific), % IACS 140
3.6

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
45
Density, g/cm3 2.6
8.9
Embodied Carbon, kg CO2/kg material 7.9
6.1
Embodied Energy, MJ/kg 150
88
Embodied Water, L/kg 1110
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24
120
Resilience: Unit (Modulus of Resilience), kJ/m3 31
150
Stiffness to Weight: Axial, points 15
9.1
Stiffness to Weight: Bending, points 53
20
Strength to Weight: Axial, points 17
15
Strength to Weight: Bending, points 25
15
Thermal Diffusivity, mm2/s 68
6.0
Thermal Shock Resistance, points 7.3
18

Alloy Composition

Aluminum (Al), % 91.6 to 93.5
0
Carbon (C), % 0
0 to 0.1
Copper (Cu), % 0 to 0.1
52.5 to 57
Iron (Fe), % 0 to 0.2
0 to 0.1
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 0.1
0 to 0.050
Nickel (Ni), % 0
43 to 46
Silicon (Si), % 6.5 to 7.5
0 to 0.5
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.1
0 to 0.2
Residuals, % 0
0 to 0.5