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3303 Aluminum vs. 8079 Aluminum

Both 3303 aluminum and 8079 aluminum are aluminum alloys. They have a very high 98% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is 3303 aluminum and the bottom bar is 8079 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
69
Elongation at Break, % 23
2.2
Fatigue Strength, MPa 43
56
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Tensile Strength: Ultimate (UTS), MPa 110
150
Tensile Strength: Yield (Proof), MPa 39
120

Thermal Properties

Latent Heat of Fusion, J/g 400
400
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 650
650
Melting Onset (Solidus), °C 620
640
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 170
230
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 43
58
Electrical Conductivity: Equal Weight (Specific), % IACS 140
190

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.0
Density, g/cm3 2.8
2.8
Embodied Carbon, kg CO2/kg material 8.1
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20
3.1
Resilience: Unit (Modulus of Resilience), kJ/m3 11
110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 49
50
Strength to Weight: Axial, points 11
15
Strength to Weight: Bending, points 18
22
Thermal Diffusivity, mm2/s 67
92
Thermal Shock Resistance, points 4.8
6.4

Alloy Composition


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Aluminum (Al), % 96.6 to 99
98.1 to 99.3
Copper (Cu), % 0.050 to 0.2
0 to 0.050
Iron (Fe), % 0 to 0.7
0.7 to 1.3
Manganese (Mn), % 1.0 to 1.5
0
Silicon (Si), % 0 to 0.6
0.050 to 0.3
Zinc (Zn), % 0 to 0.3
0 to 0.1
Residuals, % 0 to 0.15
0 to 0.15