2011 Aluminum vs. 5449 Aluminum
Both 2011 aluminum and 5449 aluminum are aluminum alloys. They have a moderately high 94% of their average alloy composition in common.
For each property being compared, the top bar is 2011 aluminum and the bottom bar is 5449 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 71 | |
| 69 |
| Elongation at Break, % | 8.5 to 18 | |
| 4.0 to 17 |
| Fatigue Strength, MPa | 74 to 120 | |
| 78 to 120 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 27 | |
| 26 |
| Shear Strength, MPa | 190 to 250 | |
| 130 to 190 |
| Tensile Strength: Ultimate (UTS), MPa | 310 to 420 | |
| 210 to 330 |
| Tensile Strength: Yield (Proof), MPa | 140 to 310 | |
| 91 to 260 |
Thermal Properties
| Latent Heat of Fusion, J/g | 390 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 190 | |
| 190 |
| Melting Completion (Liquidus), °C | 640 | |
| 650 |
| Melting Onset (Solidus), °C | 540 | |
| 590 |
| Specific Heat Capacity, J/kg-K | 870 | |
| 900 |
| Thermal Conductivity, W/m-K | 140 to 170 | |
| 140 |
| Thermal Expansion, µm/m-K | 23 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 35 to 45 | |
| 35 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 100 to 130 | |
| 110 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 9.5 |
| Density, g/cm3 | 3.1 | |
| 2.8 |
| Embodied Carbon, kg CO2/kg material | 7.9 | |
| 8.5 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1150 | |
| 1180 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 29 to 52 | |
| 12 to 29 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 140 to 680 | |
| 60 to 480 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 44 | |
| 50 |
| Strength to Weight: Axial, points | 27 to 37 | |
| 22 to 33 |
| Strength to Weight: Bending, points | 32 to 40 | |
| 29 to 39 |
| Thermal Diffusivity, mm2/s | 51 to 64 | |
| 56 |
| Thermal Shock Resistance, points | 14 to 19 | |
| 9.4 to 15 |
Alloy Composition
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| Aluminum (Al), % | 91.3 to 94.6 | |
| 94.1 to 97.8 |
| Bismuth (Bi), % | 0.2 to 0.6 | |
| 0 |
| Chromium (Cr), % | 0 | |
| 0 to 0.3 |
| Copper (Cu), % | 5.0 to 6.0 | |
| 0 to 0.3 |
| Iron (Fe), % | 0 to 0.7 | |
| 0 to 0.7 |
| Lead (Pb), % | 0.2 to 0.6 | |
| 0 |
| Magnesium (Mg), % | 0 | |
| 1.6 to 2.6 |
| Manganese (Mn), % | 0 | |
| 0.6 to 1.1 |
| Silicon (Si), % | 0 to 0.4 | |
| 0 to 0.4 |
| Titanium (Ti), % | 0 | |
| 0 to 0.1 |
| Zinc (Zn), % | 0 to 0.3 | |
| 0 to 0.3 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.15 |