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6060 Aluminum vs. 6081 Aluminum

Both 6060 aluminum and 6081 aluminum are aluminum alloys. They have a very high 99% 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 6060 aluminum and the bottom bar is 6081 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
69
Elongation at Break, % 9.0 to 16
9.0
Fatigue Strength, MPa 37 to 70
110
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 86 to 130
180
Tensile Strength: Ultimate (UTS), MPa 140 to 220
310
Tensile Strength: Yield (Proof), MPa 71 to 170
270

Thermal Properties

Latent Heat of Fusion, J/g 400
410
Maximum Temperature: Mechanical, °C 160
160
Melting Completion (Liquidus), °C 660
640
Melting Onset (Solidus), °C 610
610
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 210
180
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 54
47
Electrical Conductivity: Equal Weight (Specific), % IACS 180
160

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.7
2.7
Embodied Carbon, kg CO2/kg material 8.3
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1190
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13 to 24
27
Resilience: Unit (Modulus of Resilience), kJ/m3 37 to 210
540
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
50
Strength to Weight: Axial, points 14 to 23
32
Strength to Weight: Bending, points 22 to 30
37
Thermal Diffusivity, mm2/s 85
74
Thermal Shock Resistance, points 6.3 to 9.9
14

Alloy Composition

Aluminum (Al), % 97.9 to 99.3
96.3 to 98.6
Chromium (Cr), % 0 to 0.050
0 to 0.1
Copper (Cu), % 0 to 0.1
0 to 0.1
Iron (Fe), % 0.1 to 0.3
0 to 0.5
Magnesium (Mg), % 0.35 to 0.6
0.6 to 1.0
Manganese (Mn), % 0 to 0.1
0.1 to 0.45
Silicon (Si), % 0.3 to 0.6
0.7 to 1.1
Titanium (Ti), % 0 to 0.1
0 to 0.15
Zinc (Zn), % 0 to 0.15
0 to 0.2
Residuals, % 0
0 to 0.15