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3303 Aluminum vs. 2618 Aluminum

Both 3303 aluminum and 2618 aluminum are aluminum alloys. They have a moderately high 94% of their average alloy composition in common. There are 30 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 2618 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
71
Elongation at Break, % 23
5.8
Fatigue Strength, MPa 43
110
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
27
Shear Strength, MPa 69
260
Tensile Strength: Ultimate (UTS), MPa 110
420
Tensile Strength: Yield (Proof), MPa 39
350

Thermal Properties

Latent Heat of Fusion, J/g 400
390
Maximum Temperature: Mechanical, °C 180
210
Melting Completion (Liquidus), °C 650
640
Melting Onset (Solidus), °C 620
550
Specific Heat Capacity, J/kg-K 900
880
Thermal Conductivity, W/m-K 170
160
Thermal Expansion, µm/m-K 23
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 43
37
Electrical Conductivity: Equal Weight (Specific), % IACS 140
110

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
11
Density, g/cm3 2.8
2.9
Embodied Carbon, kg CO2/kg material 8.1
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20
23
Resilience: Unit (Modulus of Resilience), kJ/m3 11
850
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
47
Strength to Weight: Axial, points 11
40
Strength to Weight: Bending, points 18
42
Thermal Diffusivity, mm2/s 67
62
Thermal Shock Resistance, points 4.8
19

Alloy Composition


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Aluminum (Al), % 96.6 to 99
92.4 to 94.9
Copper (Cu), % 0.050 to 0.2
1.9 to 2.7
Iron (Fe), % 0 to 0.7
0.9 to 1.3
Magnesium (Mg), % 0
1.3 to 1.8
Manganese (Mn), % 1.0 to 1.5
0
Nickel (Ni), % 0
0.9 to 1.2
Silicon (Si), % 0 to 0.6
0.1 to 0.25
Titanium (Ti), % 0
0.040 to 0.1
Zinc (Zn), % 0 to 0.3
0 to 0.1
Residuals, % 0 to 0.15
0 to 0.15