2011 Aluminum vs. 2017A Aluminum
Both 2011 aluminum and 2017A aluminum are aluminum alloys. They have a very high 98% of their average alloy composition in common.
For each property being compared, the top bar is 2011 aluminum and the bottom bar is 2017A aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 71 | |
| 71 |
| Elongation at Break, % | 8.5 to 18 | |
| 2.2 to 14 |
| Fatigue Strength, MPa | 74 to 120 | |
| 92 to 130 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 27 | |
| 27 |
| Shear Strength, MPa | 190 to 250 | |
| 120 to 270 |
| Tensile Strength: Ultimate (UTS), MPa | 310 to 420 | |
| 200 to 460 |
| Tensile Strength: Yield (Proof), MPa | 140 to 310 | |
| 110 to 290 |
Thermal Properties
| Latent Heat of Fusion, J/g | 390 | |
| 390 |
| Maximum Temperature: Mechanical, °C | 190 | |
| 220 |
| Melting Completion (Liquidus), °C | 640 | |
| 650 |
| Melting Onset (Solidus), °C | 540 | |
| 510 |
| Specific Heat Capacity, J/kg-K | 870 | |
| 880 |
| Thermal Conductivity, W/m-K | 140 to 170 | |
| 150 |
| Thermal Expansion, µm/m-K | 23 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 35 to 45 | |
| 34 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 100 to 130 | |
| 100 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 11 |
| Density, g/cm3 | 3.1 | |
| 3.0 |
| Embodied Carbon, kg CO2/kg material | 7.9 | |
| 8.2 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1150 | |
| 1140 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 29 to 52 | |
| 6.7 to 53 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 140 to 680 | |
| 90 to 570 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 44 | |
| 46 |
| Strength to Weight: Axial, points | 27 to 37 | |
| 19 to 42 |
| Strength to Weight: Bending, points | 32 to 40 | |
| 26 to 44 |
| Thermal Diffusivity, mm2/s | 51 to 64 | |
| 56 |
| Thermal Shock Resistance, points | 14 to 19 | |
| 8.9 to 20 |
Alloy Composition
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| Aluminum (Al), % | 91.3 to 94.6 | |
| 91.3 to 95.5 |
| Bismuth (Bi), % | 0.2 to 0.6 | |
| 0 |
| Chromium (Cr), % | 0 | |
| 0 to 0.1 |
| Copper (Cu), % | 5.0 to 6.0 | |
| 3.5 to 4.5 |
| Iron (Fe), % | 0 to 0.7 | |
| 0 to 0.7 |
| Lead (Pb), % | 0.2 to 0.6 | |
| 0 |
| Magnesium (Mg), % | 0 | |
| 0.4 to 1.0 |
| Manganese (Mn), % | 0 | |
| 0.4 to 1.0 |
| Silicon (Si), % | 0 to 0.4 | |
| 0.2 to 0.8 |
| Titanium (Ti), % | 0 | |
| 0 to 0.25 |
| Zinc (Zn), % | 0 to 0.3 | |
| 0 to 0.25 |
| Zirconium (Zr), % | 0 | |
| 0 to 0.25 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.15 |