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6060 Aluminum vs. 2018 Aluminum

Both 6060 aluminum and 2018 aluminum are aluminum alloys. They have a moderately high 93% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is 6060 aluminum and the bottom bar is 2018 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
73
Elongation at Break, % 9.0 to 16
9.6
Fatigue Strength, MPa 37 to 70
120
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
27
Shear Strength, MPa 86 to 130
270
Tensile Strength: Ultimate (UTS), MPa 140 to 220
420
Tensile Strength: Yield (Proof), MPa 71 to 170
310

Thermal Properties

Latent Heat of Fusion, J/g 400
390
Maximum Temperature: Mechanical, °C 160
220
Melting Completion (Liquidus), °C 660
640
Melting Onset (Solidus), °C 610
510
Specific Heat Capacity, J/kg-K 900
870
Thermal Conductivity, W/m-K 210
150
Thermal Expansion, µm/m-K 23
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 54
40
Electrical Conductivity: Equal Weight (Specific), % IACS 180
120

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
11
Density, g/cm3 2.7
3.1
Embodied Carbon, kg CO2/kg material 8.3
8.1
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1190
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13 to 24
37
Resilience: Unit (Modulus of Resilience), kJ/m3 37 to 210
670
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
45
Strength to Weight: Axial, points 14 to 23
38
Strength to Weight: Bending, points 22 to 30
41
Thermal Diffusivity, mm2/s 85
57
Thermal Shock Resistance, points 6.3 to 9.9
19

Alloy Composition


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Aluminum (Al), % 97.9 to 99.3
89.7 to 94.4
Chromium (Cr), % 0 to 0.050
0 to 0.1
Copper (Cu), % 0 to 0.1
3.5 to 4.5
Iron (Fe), % 0.1 to 0.3
0 to 1.0
Magnesium (Mg), % 0.35 to 0.6
0.45 to 0.9
Manganese (Mn), % 0 to 0.1
0 to 0.2
Nickel (Ni), % 0
1.7 to 2.3
Silicon (Si), % 0.3 to 0.6
0 to 0.9
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.15
0 to 0.25
Residuals, % 0 to 0.15
0 to 0.15