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6081 Aluminum vs. EN AC-42000 Aluminum

Both 6081 aluminum and EN AC-42000 aluminum are aluminum alloys. They have a moderately high 94% 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-42000 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
70
Elongation at Break, % 9.0
1.1 to 2.4
Fatigue Strength, MPa 110
67 to 76
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Tensile Strength: Ultimate (UTS), MPa 310
170 to 270
Tensile Strength: Yield (Proof), MPa 270
95 to 230

Thermal Properties

Latent Heat of Fusion, J/g 410
500
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 640
610
Melting Onset (Solidus), °C 610
600
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 180
160
Thermal Expansion, µm/m-K 23
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 47
38
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
8.0
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
2.8 to 5.7
Resilience: Unit (Modulus of Resilience), kJ/m3 540
64 to 370
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 50
53
Strength to Weight: Axial, points 32
18 to 28
Strength to Weight: Bending, points 37
26 to 35
Thermal Diffusivity, mm2/s 74
66
Thermal Shock Resistance, points 14
7.9 to 12

Alloy Composition

Aluminum (Al), % 96.3 to 98.6
89.9 to 93.3
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.1
0 to 0.2
Iron (Fe), % 0 to 0.5
0 to 0.55
Lead (Pb), % 0
0 to 0.15
Magnesium (Mg), % 0.6 to 1.0
0.2 to 0.65
Manganese (Mn), % 0.1 to 0.45
0 to 0.35
Nickel (Ni), % 0
0 to 0.15
Silicon (Si), % 0.7 to 1.1
6.5 to 7.5
Tin (Sn), % 0
0 to 0.050
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