5449 Aluminum vs. 2011A Aluminum
Both 5449 aluminum and 2011A 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 5449 aluminum and the bottom bar is 2011A aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 69 | |
| 70 |
| Elongation at Break, % | 4.0 to 17 | |
| 6.8 to 16 |
| Fatigue Strength, MPa | 78 to 120 | |
| 75 to 100 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 26 | |
| 26 |
| Shear Strength, MPa | 130 to 190 | |
| 190 to 250 |
| Tensile Strength: Ultimate (UTS), MPa | 210 to 330 | |
| 310 to 410 |
| Tensile Strength: Yield (Proof), MPa | 91 to 260 | |
| 140 to 310 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 390 |
| Maximum Temperature: Mechanical, °C | 190 | |
| 190 |
| Melting Completion (Liquidus), °C | 650 | |
| 660 |
| Melting Onset (Solidus), °C | 590 | |
| 550 |
| Specific Heat Capacity, J/kg-K | 900 | |
| 870 |
| Thermal Conductivity, W/m-K | 140 | |
| 130 |
| Thermal Expansion, µm/m-K | 23 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 35 | |
| 33 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 110 | |
| 96 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 11 |
| Density, g/cm3 | 2.8 | |
| 3.1 |
| Embodied Carbon, kg CO2/kg material | 8.5 | |
| 7.9 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1180 | |
| 1150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 12 to 29 | |
| 20 to 40 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 60 to 480 | |
| 140 to 670 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 50 | |
| 44 |
| Strength to Weight: Axial, points | 22 to 33 | |
| 28 to 37 |
| Strength to Weight: Bending, points | 29 to 39 | |
| 33 to 40 |
| Thermal Diffusivity, mm2/s | 56 | |
| 49 |
| Thermal Shock Resistance, points | 9.4 to 15 | |
| 14 to 18 |
Alloy Composition
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| Aluminum (Al), % | 94.1 to 97.8 | |
| 91.5 to 95.1 |
| Bismuth (Bi), % | 0 | |
| 0.2 to 0.6 |
| Chromium (Cr), % | 0 to 0.3 | |
| 0 |
| Copper (Cu), % | 0 to 0.3 | |
| 4.5 to 6.0 |
| Iron (Fe), % | 0 to 0.7 | |
| 0 to 0.5 |
| Lead (Pb), % | 0 | |
| 0.2 to 0.6 |
| Magnesium (Mg), % | 1.6 to 2.6 | |
| 0 |
| Manganese (Mn), % | 0.6 to 1.1 | |
| 0 |
| Silicon (Si), % | 0 to 0.4 | |
| 0 to 0.4 |
| Titanium (Ti), % | 0 to 0.1 | |
| 0 |
| Zinc (Zn), % | 0 to 0.3 | |
| 0 to 0.3 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.15 |