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6081 Aluminum vs. 520.0 Aluminum

Both 6081 aluminum and 520.0 aluminum are aluminum alloys. They have a moderately high 91% 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 6081 aluminum and the bottom bar is 520.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
66
Elongation at Break, % 9.0
14
Fatigue Strength, MPa 110
55
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
25
Shear Strength, MPa 180
230
Tensile Strength: Ultimate (UTS), MPa 310
330
Tensile Strength: Yield (Proof), MPa 270
170

Thermal Properties

Latent Heat of Fusion, J/g 410
390
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 640
600
Melting Onset (Solidus), °C 610
480
Specific Heat Capacity, J/kg-K 900
910
Thermal Conductivity, W/m-K 180
87
Thermal Expansion, µm/m-K 23
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 47
21
Electrical Conductivity: Equal Weight (Specific), % IACS 160
72

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.7
2.6
Embodied Carbon, kg CO2/kg material 8.3
9.8
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1180
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
39
Resilience: Unit (Modulus of Resilience), kJ/m3 540
230
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
52
Strength to Weight: Axial, points 32
35
Strength to Weight: Bending, points 37
41
Thermal Diffusivity, mm2/s 74
37
Thermal Shock Resistance, points 14
14

Alloy Composition

Aluminum (Al), % 96.3 to 98.6
87.9 to 90.5
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.1
0 to 0.25
Iron (Fe), % 0 to 0.5
0 to 0.3
Magnesium (Mg), % 0.6 to 1.0
9.5 to 10.6
Manganese (Mn), % 0.1 to 0.45
0 to 0.15
Silicon (Si), % 0.7 to 1.1
0 to 0.25
Titanium (Ti), % 0 to 0.15
0 to 0.25
Zinc (Zn), % 0 to 0.2
0 to 0.15
Residuals, % 0
0 to 0.15