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6081 Aluminum vs. EN AC-51300 Aluminum

Both 6081 aluminum and EN AC-51300 aluminum are aluminum alloys. They have a very high 95% of their average alloy composition in common. There are 29 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 EN AC-51300 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
67
Elongation at Break, % 9.0
3.7
Fatigue Strength, MPa 110
78
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
25
Tensile Strength: Ultimate (UTS), MPa 310
190
Tensile Strength: Yield (Proof), MPa 270
110

Thermal Properties

Latent Heat of Fusion, J/g 410
400
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 610
600
Specific Heat Capacity, J/kg-K 900
910
Thermal Conductivity, W/m-K 180
110
Thermal Expansion, µm/m-K 23
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 47
31
Electrical Conductivity: Equal Weight (Specific), % IACS 160
100

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
9.1
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
6.1
Resilience: Unit (Modulus of Resilience), kJ/m3 540
87
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
51
Strength to Weight: Axial, points 32
20
Strength to Weight: Bending, points 37
28
Thermal Diffusivity, mm2/s 74
45
Thermal Shock Resistance, points 14
8.6

Alloy Composition

Aluminum (Al), % 96.3 to 98.6
91.4 to 95.5
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.1
0 to 0.1
Iron (Fe), % 0 to 0.5
0 to 0.55
Magnesium (Mg), % 0.6 to 1.0
4.5 to 6.5
Manganese (Mn), % 0.1 to 0.45
0 to 0.45
Silicon (Si), % 0.7 to 1.1
0 to 0.55
Titanium (Ti), % 0 to 0.15
0 to 0.2
Zinc (Zn), % 0 to 0.2
0 to 0.1
Residuals, % 0
0 to 0.15