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3303 Aluminum vs. 2017 Aluminum

Both 3303 aluminum and 2017 aluminum are aluminum alloys. They have a very high 95% of their average alloy composition in common.

For each property being compared, the top bar is 3303 aluminum and the bottom bar is 2017 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
71
Elongation at Break, % 23
12 to 18
Fatigue Strength, MPa 43
90 to 130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
27
Shear Strength, MPa 69
130 to 260
Tensile Strength: Ultimate (UTS), MPa 110
190 to 430
Tensile Strength: Yield (Proof), MPa 39
76 to 260

Thermal Properties

Latent Heat of Fusion, J/g 400
390
Maximum Temperature: Mechanical, °C 180
190
Melting Completion (Liquidus), °C 650
640
Melting Onset (Solidus), °C 620
510
Specific Heat Capacity, J/kg-K 900
880
Thermal Conductivity, W/m-K 170
150
Thermal Expansion, µm/m-K 23
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 43
38
Electrical Conductivity: Equal Weight (Specific), % IACS 140
110

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 2.8
3.0
Embodied Carbon, kg CO2/kg material 8.1
8.0
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20
24 to 66
Resilience: Unit (Modulus of Resilience), kJ/m3 11
41 to 470
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
46
Strength to Weight: Axial, points 11
17 to 40
Strength to Weight: Bending, points 18
24 to 42
Thermal Diffusivity, mm2/s 67
56
Thermal Shock Resistance, points 4.8
7.9 to 18

Alloy Composition


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Aluminum (Al), % 96.6 to 99
91.6 to 95.5
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0.050 to 0.2
3.5 to 4.5
Iron (Fe), % 0 to 0.7
0 to 0.7
Magnesium (Mg), % 0
0.4 to 0.8
Manganese (Mn), % 1.0 to 1.5
0.4 to 1.0
Silicon (Si), % 0 to 0.6
0.2 to 0.8
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 0 to 0.3
0 to 0.25
Residuals, % 0 to 0.15
0 to 0.15