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3303 Aluminum vs. C72150 Copper-nickel

3303 aluminum belongs to the aluminum alloys classification, while C72150 copper-nickel belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, 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 C72150 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
150
Elongation at Break, % 23
29
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
55
Shear Strength, MPa 69
320
Tensile Strength: Ultimate (UTS), MPa 110
490
Tensile Strength: Yield (Proof), MPa 39
210

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Maximum Temperature: Mechanical, °C 180
600
Melting Completion (Liquidus), °C 650
1210
Melting Onset (Solidus), °C 620
1250
Specific Heat Capacity, J/kg-K 900
410
Thermal Conductivity, W/m-K 170
22
Thermal Expansion, µm/m-K 23
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 43
3.5
Electrical Conductivity: Equal Weight (Specific), % IACS 140
3.6

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
45
Density, g/cm3 2.8
8.9
Embodied Carbon, kg CO2/kg material 8.1
6.1
Embodied Energy, MJ/kg 150
88
Embodied Water, L/kg 1180
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20
120
Resilience: Unit (Modulus of Resilience), kJ/m3 11
150
Stiffness to Weight: Axial, points 14
9.1
Stiffness to Weight: Bending, points 49
20
Strength to Weight: Axial, points 11
15
Strength to Weight: Bending, points 18
15
Thermal Diffusivity, mm2/s 67
6.0
Thermal Shock Resistance, points 4.8
18

Alloy Composition

Aluminum (Al), % 96.6 to 99
0
Carbon (C), % 0
0 to 0.1
Copper (Cu), % 0.050 to 0.2
52.5 to 57
Iron (Fe), % 0 to 0.7
0 to 0.1
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 1.0 to 1.5
0 to 0.050
Nickel (Ni), % 0
43 to 46
Silicon (Si), % 0 to 0.6
0 to 0.5
Zinc (Zn), % 0 to 0.3
0 to 0.2
Residuals, % 0
0 to 0.5