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A390.0 Aluminum vs. C72200 Copper-nickel

A390.0 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 A390.0 aluminum and the bottom bar is C72200 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 75
130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 28
48
Tensile Strength: Ultimate (UTS), MPa 190 to 290
350 to 580

Thermal Properties

Latent Heat of Fusion, J/g 640
220
Maximum Temperature: Mechanical, °C 170
230
Melting Completion (Liquidus), °C 580
1180
Melting Onset (Solidus), °C 480
1120
Specific Heat Capacity, J/kg-K 880
400
Thermal Conductivity, W/m-K 130
34
Thermal Expansion, µm/m-K 20
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
6.5
Electrical Conductivity: Equal Weight (Specific), % IACS 67
6.6

Otherwise Unclassified Properties

Base Metal Price, % relative 11
36
Density, g/cm3 2.7
8.9
Embodied Carbon, kg CO2/kg material 7.3
3.9
Embodied Energy, MJ/kg 140
59
Embodied Water, L/kg 950
300

Common Calculations

Stiffness to Weight: Axial, points 15
8.0
Stiffness to Weight: Bending, points 52
19
Strength to Weight: Axial, points 19 to 30
11 to 18
Strength to Weight: Bending, points 27 to 36
12 to 17
Thermal Diffusivity, mm2/s 56
9.6
Thermal Shock Resistance, points 9.0 to 14
12 to 20

Alloy Composition

Aluminum (Al), % 75.3 to 79.6
0
Chromium (Cr), % 0
0.3 to 0.7
Copper (Cu), % 4.0 to 5.0
78.1 to 84.2
Iron (Fe), % 0 to 0.5
0.5 to 1.0
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0.45 to 0.65
0
Manganese (Mn), % 0 to 0.1
0 to 1.0
Nickel (Ni), % 0
15 to 18
Silicon (Si), % 16 to 18
0
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.1
0 to 1.0
Residuals, % 0
0 to 0.2