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6110A Aluminum vs. 6081 Aluminum

Both 6110A aluminum and 6081 aluminum are aluminum alloys. They have a very high 99% of their average alloy composition in common.

For each property being compared, the top bar is 6110A aluminum and the bottom bar is 6081 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
69
Elongation at Break, % 11 to 18
9.0
Fatigue Strength, MPa 140 to 210
110
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 220 to 280
180
Tensile Strength: Ultimate (UTS), MPa 360 to 470
310
Tensile Strength: Yield (Proof), MPa 250 to 430
270

Thermal Properties

Latent Heat of Fusion, J/g 410
410
Maximum Temperature: Mechanical, °C 190
160
Melting Completion (Liquidus), °C 650
640
Melting Onset (Solidus), °C 600
610
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 160
180
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 42
47
Electrical Conductivity: Equal Weight (Specific), % IACS 140
160

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.8
2.7
Embodied Carbon, kg CO2/kg material 8.4
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1170
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 47 to 58
27
Resilience: Unit (Modulus of Resilience), kJ/m3 450 to 1300
540
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
50
Strength to Weight: Axial, points 36 to 47
32
Strength to Weight: Bending, points 41 to 48
37
Thermal Diffusivity, mm2/s 65
74
Thermal Shock Resistance, points 16 to 21
14

Alloy Composition

Aluminum (Al), % 94.8 to 98
96.3 to 98.6
Chromium (Cr), % 0.050 to 0.25
0 to 0.1
Copper (Cu), % 0.3 to 0.8
0 to 0.1
Iron (Fe), % 0 to 0.5
0 to 0.5
Magnesium (Mg), % 0.7 to 1.1
0.6 to 1.0
Manganese (Mn), % 0.3 to 0.9
0.1 to 0.45
Silicon (Si), % 0.7 to 1.1
0.7 to 1.1
Titanium (Ti), % 0 to 0.2
0 to 0.15
Zinc (Zn), % 0 to 0.2
0 to 0.2
Zirconium (Zr), % 0 to 0.2
0
Residuals, % 0
0 to 0.15