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6081 Aluminum vs. EN AC-51200 Aluminum

Both 6081 aluminum and EN AC-51200 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-51200 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
67
Elongation at Break, % 9.0
1.1
Fatigue Strength, MPa 110
100
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
25
Tensile Strength: Ultimate (UTS), MPa 310
220
Tensile Strength: Yield (Proof), MPa 270
150

Thermal Properties

Latent Heat of Fusion, J/g 410
410
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 610
570
Specific Heat Capacity, J/kg-K 900
910
Thermal Conductivity, W/m-K 180
92
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 47
22
Electrical Conductivity: Equal Weight (Specific), % IACS 160
74

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
9.6
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
2.2
Resilience: Unit (Modulus of Resilience), kJ/m3 540
160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
51
Strength to Weight: Axial, points 32
24
Strength to Weight: Bending, points 37
31
Thermal Diffusivity, mm2/s 74
39
Thermal Shock Resistance, points 14
10

Alloy Composition

Aluminum (Al), % 96.3 to 98.6
84.5 to 92
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 1.0
Lead (Pb), % 0
0 to 0.1
Magnesium (Mg), % 0.6 to 1.0
8.0 to 10.5
Manganese (Mn), % 0.1 to 0.45
0 to 0.55
Nickel (Ni), % 0
0 to 0.1
Silicon (Si), % 0.7 to 1.1
0 to 2.5
Tin (Sn), % 0
0 to 0.1
Titanium (Ti), % 0 to 0.15
0 to 0.2
Zinc (Zn), % 0 to 0.2
0 to 0.25
Residuals, % 0
0 to 0.15