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3303 Aluminum vs. C71520 Copper-nickel

3303 aluminum belongs to the aluminum alloys classification, while C71520 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 C71520 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
140
Elongation at Break, % 23
10 to 45
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
51
Shear Strength, MPa 69
250 to 340
Tensile Strength: Ultimate (UTS), MPa 110
370 to 570
Tensile Strength: Yield (Proof), MPa 39
140 to 430

Thermal Properties

Latent Heat of Fusion, J/g 400
230
Maximum Temperature: Mechanical, °C 180
260
Melting Completion (Liquidus), °C 650
1170
Melting Onset (Solidus), °C 620
1120
Specific Heat Capacity, J/kg-K 900
400
Thermal Conductivity, W/m-K 170
32
Thermal Expansion, µm/m-K 23
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 43
5.7
Electrical Conductivity: Equal Weight (Specific), % IACS 140
5.8

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
40
Density, g/cm3 2.8
8.9
Embodied Carbon, kg CO2/kg material 8.1
5.0
Embodied Energy, MJ/kg 150
73
Embodied Water, L/kg 1180
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20
54 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 11
67 to 680
Stiffness to Weight: Axial, points 14
8.6
Stiffness to Weight: Bending, points 49
19
Strength to Weight: Axial, points 11
12 to 18
Strength to Weight: Bending, points 18
13 to 17
Thermal Diffusivity, mm2/s 67
8.9
Thermal Shock Resistance, points 4.8
12 to 19

Alloy Composition


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Aluminum (Al), % 96.6 to 99
0
Carbon (C), % 0
0 to 0.050
Copper (Cu), % 0.050 to 0.2
65 to 71.6
Iron (Fe), % 0 to 0.7
0.4 to 1.0
Lead (Pb), % 0
0 to 0.020
Manganese (Mn), % 1.0 to 1.5
0 to 1.0
Nickel (Ni), % 0
28 to 33
Phosphorus (P), % 0
0 to 0.2
Silicon (Si), % 0 to 0.6
0
Sulfur (S), % 0
0 to 0.020
Zinc (Zn), % 0 to 0.3
0 to 0.5
Residuals, % 0 to 0.15
0 to 0.5