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6081 Aluminum vs. 206.0 Aluminum

Both 6081 aluminum and 206.0 aluminum are aluminum alloys. They have a very high 95% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is 6081 aluminum and the bottom bar is 206.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
71
Elongation at Break, % 9.0
8.4 to 12
Fatigue Strength, MPa 110
88 to 210
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
27
Shear Strength, MPa 180
260
Tensile Strength: Ultimate (UTS), MPa 310
330 to 440
Tensile Strength: Yield (Proof), MPa 270
190 to 350

Thermal Properties

Latent Heat of Fusion, J/g 410
390
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 640
650
Melting Onset (Solidus), °C 610
570
Specific Heat Capacity, J/kg-K 900
880
Thermal Conductivity, W/m-K 180
120
Thermal Expansion, µm/m-K 23
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 47
33
Electrical Conductivity: Equal Weight (Specific), % IACS 160
99

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
11
Density, g/cm3 2.7
3.0
Embodied Carbon, kg CO2/kg material 8.3
8.0
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
24 to 49
Resilience: Unit (Modulus of Resilience), kJ/m3 540
270 to 840
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
46
Strength to Weight: Axial, points 32
30 to 40
Strength to Weight: Bending, points 37
35 to 42
Thermal Diffusivity, mm2/s 74
46
Thermal Shock Resistance, points 14
17 to 23

Alloy Composition

Aluminum (Al), % 96.3 to 98.6
93.3 to 95.3
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.1
4.2 to 5.0
Iron (Fe), % 0 to 0.5
0 to 0.15
Magnesium (Mg), % 0.6 to 1.0
0.15 to 0.35
Manganese (Mn), % 0.1 to 0.45
0.2 to 0.5
Nickel (Ni), % 0
0 to 0.050
Silicon (Si), % 0.7 to 1.1
0 to 0.1
Tin (Sn), % 0
0 to 0.050
Titanium (Ti), % 0 to 0.15
0.15 to 0.3
Zinc (Zn), % 0 to 0.2
0 to 0.1
Residuals, % 0
0 to 0.15