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3303 Aluminum vs. C72200 Copper-nickel

3303 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 3303 aluminum and the bottom bar is C72200 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
48
Tensile Strength: Ultimate (UTS), MPa 110
350 to 580

Thermal Properties

Latent Heat of Fusion, J/g 400
220
Maximum Temperature: Mechanical, °C 180
230
Melting Completion (Liquidus), °C 650
1180
Melting Onset (Solidus), °C 620
1120
Specific Heat Capacity, J/kg-K 900
400
Thermal Conductivity, W/m-K 170
34
Thermal Expansion, µm/m-K 23
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 43
6.5
Electrical Conductivity: Equal Weight (Specific), % IACS 140
6.6

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
36
Density, g/cm3 2.8
8.9
Embodied Carbon, kg CO2/kg material 8.1
3.9
Embodied Energy, MJ/kg 150
59
Embodied Water, L/kg 1180
300

Common Calculations

Stiffness to Weight: Axial, points 14
8.0
Stiffness to Weight: Bending, points 49
19
Strength to Weight: Axial, points 11
11 to 18
Strength to Weight: Bending, points 18
12 to 17
Thermal Diffusivity, mm2/s 67
9.6
Thermal Shock Resistance, points 4.8
12 to 20

Alloy Composition


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Aluminum (Al), % 96.6 to 99
0
Chromium (Cr), % 0
0.3 to 0.7
Copper (Cu), % 0.050 to 0.2
78.1 to 84.2
Iron (Fe), % 0 to 0.7
0.5 to 1.0
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 1.0 to 1.5
0 to 1.0
Nickel (Ni), % 0
15 to 18
Silicon (Si), % 0 to 0.6
0
Zinc (Zn), % 0 to 0.3
0 to 1.0
Residuals, % 0 to 0.15
0 to 0.2