2011-T6 Aluminum vs. 2011A-T6 Aluminum
Both 2011-T6 aluminum and 2011A-T6 aluminum are aluminum alloys. Both are furnished in the T6 temper. Their average alloy composition is basically identical.
For each property being compared, the top bar is 2011-T6 aluminum and the bottom bar is 2011A-T6 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 71 | |
| 70 |
| Elongation at Break, % | 8.5 | |
| 6.8 |
| Fatigue Strength, MPa | 100 | |
| 80 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 27 | |
| 26 |
| Shear Strength, MPa | 220 | |
| 200 |
| Tensile Strength: Ultimate (UTS), MPa | 380 | |
| 340 |
| Tensile Strength: Yield (Proof), MPa | 270 | |
| 220 |
Thermal Properties
| Latent Heat of Fusion, J/g | 390 | |
| 390 |
| Maximum Temperature: Mechanical, °C | 190 | |
| 190 |
| Melting Completion (Liquidus), °C | 640 | |
| 660 |
| Melting Onset (Solidus), °C | 540 | |
| 550 |
| Specific Heat Capacity, J/kg-K | 870 | |
| 870 |
| Thermal Conductivity, W/m-K | 170 | |
| 130 |
| Thermal Expansion, µm/m-K | 23 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 45 | |
| 33 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 130 | |
| 96 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 11 |
| Density, g/cm3 | 3.1 | |
| 3.1 |
| Embodied Carbon, kg CO2/kg material | 7.9 | |
| 7.9 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1150 | |
| 1150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 29 | |
| 20 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 500 | |
| 340 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 44 | |
| 44 |
| Strength to Weight: Axial, points | 33 | |
| 30 |
| Strength to Weight: Bending, points | 37 | |
| 35 |
| Thermal Diffusivity, mm2/s | 64 | |
| 49 |
| Thermal Shock Resistance, points | 17 | |
| 15 |
Alloy Composition
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| Aluminum (Al), % | 91.3 to 94.6 | |
| 91.5 to 95.1 |
| Bismuth (Bi), % | 0.2 to 0.6 | |
| 0.2 to 0.6 |
| Copper (Cu), % | 5.0 to 6.0 | |
| 4.5 to 6.0 |
| Iron (Fe), % | 0 to 0.7 | |
| 0 to 0.5 |
| Lead (Pb), % | 0.2 to 0.6 | |
| 0.2 to 0.6 |
| Silicon (Si), % | 0 to 0.4 | |
| 0 to 0.4 |
| Zinc (Zn), % | 0 to 0.3 | |
| 0 to 0.3 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.15 |