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3303 Aluminum vs. C72900 Copper-nickel

3303 aluminum belongs to the aluminum alloys classification, while C72900 copper-nickel belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (1, 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 C72900 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
120
Elongation at Break, % 23
6.0 to 20
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
45
Shear Strength, MPa 69
540 to 630
Tensile Strength: Ultimate (UTS), MPa 110
870 to 1080
Tensile Strength: Yield (Proof), MPa 39
700 to 920

Thermal Properties

Latent Heat of Fusion, J/g 400
210
Maximum Temperature: Mechanical, °C 180
210
Melting Completion (Liquidus), °C 650
1120
Melting Onset (Solidus), °C 620
950
Specific Heat Capacity, J/kg-K 900
380
Thermal Conductivity, W/m-K 170
29
Thermal Expansion, µm/m-K 23
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 43
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 140
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
39
Density, g/cm3 2.8
8.8
Embodied Carbon, kg CO2/kg material 8.1
4.6
Embodied Energy, MJ/kg 150
72
Embodied Water, L/kg 1180
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20
49 to 210
Resilience: Unit (Modulus of Resilience), kJ/m3 11
2030 to 3490
Stiffness to Weight: Axial, points 14
7.6
Stiffness to Weight: Bending, points 49
19
Strength to Weight: Axial, points 11
27 to 34
Strength to Weight: Bending, points 18
23 to 27
Thermal Diffusivity, mm2/s 67
8.6
Thermal Shock Resistance, points 4.8
31 to 38

Alloy Composition

Aluminum (Al), % 96.6 to 99
0
Copper (Cu), % 0.050 to 0.2
74.1 to 78
Iron (Fe), % 0 to 0.7
0 to 0.5
Lead (Pb), % 0
0 to 0.020
Magnesium (Mg), % 0
0 to 0.15
Manganese (Mn), % 1.0 to 1.5
0 to 0.3
Nickel (Ni), % 0
14.5 to 15.5
Niobium (Nb), % 0
0 to 0.1
Silicon (Si), % 0 to 0.6
0
Tin (Sn), % 0
7.5 to 8.5
Zinc (Zn), % 0 to 0.3
0 to 0.5
Residuals, % 0 to 0.15
0 to 0.3