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6081 Aluminum vs. EN AC-43100 Aluminum

Both 6081 aluminum and EN AC-43100 aluminum are aluminum alloys. They have a moderately high 91% 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-43100 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
71
Elongation at Break, % 9.0
1.1 to 2.5
Fatigue Strength, MPa 110
68 to 76
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
27
Tensile Strength: Ultimate (UTS), MPa 310
180 to 270
Tensile Strength: Yield (Proof), MPa 270
97 to 230

Thermal Properties

Latent Heat of Fusion, J/g 410
540
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 640
600
Melting Onset (Solidus), °C 610
590
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 180
140
Thermal Expansion, µm/m-K 23
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 47
37
Electrical Conductivity: Equal Weight (Specific), % IACS 160
130

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
7.8
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1070

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
2.9 to 5.7
Resilience: Unit (Modulus of Resilience), kJ/m3 540
66 to 360
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 50
54
Strength to Weight: Axial, points 32
20 to 29
Strength to Weight: Bending, points 37
28 to 36
Thermal Diffusivity, mm2/s 74
60
Thermal Shock Resistance, points 14
8.6 to 12

Alloy Composition

Aluminum (Al), % 96.3 to 98.6
86.9 to 90.8
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
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0.6 to 1.0
0.2 to 0.45
Manganese (Mn), % 0.1 to 0.45
0 to 0.45
Nickel (Ni), % 0
0 to 0.050
Silicon (Si), % 0.7 to 1.1
9.0 to 11
Tin (Sn), % 0
0 to 0.050
Titanium (Ti), % 0 to 0.15
0 to 0.15
Zinc (Zn), % 0 to 0.2
0 to 0.1
Residuals, % 0
0 to 0.15