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3303 Aluminum vs. C96800 Copper

3303 aluminum belongs to the aluminum alloys classification, while C96800 copper belongs to the copper alloys. There are 28 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 C96800 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
120
Elongation at Break, % 23
3.4
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
46
Tensile Strength: Ultimate (UTS), MPa 110
1010
Tensile Strength: Yield (Proof), MPa 39
860

Thermal Properties

Latent Heat of Fusion, J/g 400
220
Maximum Temperature: Mechanical, °C 180
220
Melting Completion (Liquidus), °C 650
1120
Melting Onset (Solidus), °C 620
1060
Specific Heat Capacity, J/kg-K 900
390
Thermal Conductivity, W/m-K 170
52
Thermal Expansion, µm/m-K 23
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 43
10
Electrical Conductivity: Equal Weight (Specific), % IACS 140
10

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
34
Density, g/cm3 2.8
8.9
Embodied Carbon, kg CO2/kg material 8.1
3.4
Embodied Energy, MJ/kg 150
52
Embodied Water, L/kg 1180
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20
33
Resilience: Unit (Modulus of Resilience), kJ/m3 11
3000
Stiffness to Weight: Axial, points 14
7.6
Stiffness to Weight: Bending, points 49
19
Strength to Weight: Axial, points 11
32
Strength to Weight: Bending, points 18
25
Thermal Diffusivity, mm2/s 67
15
Thermal Shock Resistance, points 4.8
35

Alloy Composition

Aluminum (Al), % 96.6 to 99
0 to 0.1
Antimony (Sb), % 0
0 to 0.020
Copper (Cu), % 0.050 to 0.2
87.1 to 90.5
Iron (Fe), % 0 to 0.7
0 to 0.5
Lead (Pb), % 0
0 to 0.0050
Manganese (Mn), % 1.0 to 1.5
0.050 to 0.3
Nickel (Ni), % 0
9.5 to 10.5
Phosphorus (P), % 0
0 to 0.0050
Silicon (Si), % 0 to 0.6
0
Sulfur (S), % 0
0 to 0.0025
Zinc (Zn), % 0 to 0.3
0 to 1.0
Residuals, % 0 to 0.15
0 to 0.5