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384.0 Aluminum vs. C72500 Copper-nickel

384.0 aluminum belongs to the aluminum alloys classification, while C72500 copper-nickel belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (9, 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 384.0 aluminum and the bottom bar is C72500 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 74
120
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 28
45
Tensile Strength: Ultimate (UTS), MPa 330
420 to 780

Thermal Properties

Latent Heat of Fusion, J/g 550
210
Maximum Temperature: Mechanical, °C 170
210
Melting Completion (Liquidus), °C 580
1130
Melting Onset (Solidus), °C 530
1060
Specific Heat Capacity, J/kg-K 870
390
Thermal Conductivity, W/m-K 96
54
Thermal Expansion, µm/m-K 21
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22
11
Electrical Conductivity: Equal Weight (Specific), % IACS 69
11

Otherwise Unclassified Properties

Base Metal Price, % relative 11
35
Density, g/cm3 2.9
8.9
Embodied Carbon, kg CO2/kg material 7.4
3.6
Embodied Energy, MJ/kg 140
55
Embodied Water, L/kg 1010
320

Common Calculations

Stiffness to Weight: Axial, points 14
7.6
Stiffness to Weight: Bending, points 49
19
Strength to Weight: Axial, points 32
13 to 24
Strength to Weight: Bending, points 37
14 to 21
Thermal Diffusivity, mm2/s 39
16
Thermal Shock Resistance, points 15
14 to 27

Alloy Composition

Aluminum (Al), % 77.3 to 86.5
0
Copper (Cu), % 3.0 to 4.5
85.2 to 89.7
Iron (Fe), % 0 to 1.3
0 to 0.6
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0 to 0.2
Nickel (Ni), % 0 to 0.5
8.5 to 10.5
Silicon (Si), % 10.5 to 12
0
Tin (Sn), % 0 to 0.35
1.8 to 2.8
Zinc (Zn), % 0 to 3.0
0 to 0.5
Residuals, % 0 to 0.5
0 to 0.2