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240.0 Aluminum vs. 6081 Aluminum

Both 240.0 aluminum and 6081 aluminum are aluminum alloys. They have 86% of their average alloy composition in common. There are 29 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 240.0 aluminum and the bottom bar is 6081 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
69
Elongation at Break, % 1.0
9.0
Fatigue Strength, MPa 140
110
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
26
Tensile Strength: Ultimate (UTS), MPa 240
310
Tensile Strength: Yield (Proof), MPa 200
270

Thermal Properties

Latent Heat of Fusion, J/g 380
410
Maximum Temperature: Mechanical, °C 180
160
Melting Completion (Liquidus), °C 600
640
Melting Onset (Solidus), °C 520
610
Specific Heat Capacity, J/kg-K 860
900
Thermal Conductivity, W/m-K 96
180
Thermal Expansion, µm/m-K 22
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 23
47
Electrical Conductivity: Equal Weight (Specific), % IACS 65
160

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 3.2
2.7
Embodied Carbon, kg CO2/kg material 8.7
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1100
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.2
27
Resilience: Unit (Modulus of Resilience), kJ/m3 280
540
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 43
50
Strength to Weight: Axial, points 20
32
Strength to Weight: Bending, points 26
37
Thermal Diffusivity, mm2/s 35
74
Thermal Shock Resistance, points 11
14

Alloy Composition

Aluminum (Al), % 81.7 to 86.9
96.3 to 98.6
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 7.0 to 9.0
0 to 0.1
Iron (Fe), % 0 to 0.5
0 to 0.5
Magnesium (Mg), % 5.5 to 6.5
0.6 to 1.0
Manganese (Mn), % 0.3 to 0.7
0.1 to 0.45
Nickel (Ni), % 0.3 to 0.7
0
Silicon (Si), % 0 to 0.5
0.7 to 1.1
Titanium (Ti), % 0 to 0.2
0 to 0.15
Zinc (Zn), % 0 to 0.1
0 to 0.2
Residuals, % 0
0 to 0.15