7049A Aluminum vs. 2017 Aluminum
Both 7049A aluminum and 2017 aluminum are aluminum alloys. They have a moderately high 90% of their average alloy composition in common.
For each property being compared, the top bar is 7049A aluminum and the bottom bar is 2017 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 71 | |
| 71 |
| Elongation at Break, % | 5.0 to 5.7 | |
| 12 to 18 |
| Fatigue Strength, MPa | 180 | |
| 90 to 130 |
| Poisson's Ratio | 0.32 | |
| 0.33 |
| Shear Modulus, GPa | 27 | |
| 27 |
| Shear Strength, MPa | 340 to 350 | |
| 130 to 260 |
| Tensile Strength: Ultimate (UTS), MPa | 580 to 590 | |
| 190 to 430 |
| Tensile Strength: Yield (Proof), MPa | 500 to 530 | |
| 76 to 260 |
Thermal Properties
| Latent Heat of Fusion, J/g | 370 | |
| 390 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 190 |
| Melting Completion (Liquidus), °C | 640 | |
| 640 |
| Melting Onset (Solidus), °C | 430 | |
| 510 |
| Specific Heat Capacity, J/kg-K | 850 | |
| 880 |
| Thermal Conductivity, W/m-K | 130 | |
| 150 |
| Thermal Expansion, µm/m-K | 24 | |
| 24 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 40 | |
| 38 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 120 | |
| 110 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 10 | |
| 10 |
| Density, g/cm3 | 3.1 | |
| 3.0 |
| Embodied Carbon, kg CO2/kg material | 8.2 | |
| 8.0 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1100 | |
| 1140 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 28 to 32 | |
| 24 to 66 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1800 to 1990 | |
| 41 to 470 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 44 | |
| 46 |
| Strength to Weight: Axial, points | 52 to 53 | |
| 17 to 40 |
| Strength to Weight: Bending, points | 50 to 51 | |
| 24 to 42 |
| Thermal Diffusivity, mm2/s | 50 | |
| 56 |
| Thermal Shock Resistance, points | 25 | |
| 7.9 to 18 |
Alloy Composition
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| Aluminum (Al), % | 84.6 to 89.5 | |
| 91.6 to 95.5 |
| Chromium (Cr), % | 0.050 to 0.25 | |
| 0 to 0.1 |
| Copper (Cu), % | 1.2 to 1.9 | |
| 3.5 to 4.5 |
| Iron (Fe), % | 0 to 0.5 | |
| 0 to 0.7 |
| Magnesium (Mg), % | 2.1 to 3.1 | |
| 0.4 to 0.8 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0.4 to 1.0 |
| Silicon (Si), % | 0 to 0.4 | |
| 0.2 to 0.8 |
| Titanium (Ti), % | 0 to 0.25 | |
| 0 to 0.15 |
| Zinc (Zn), % | 7.2 to 8.4 | |
| 0 to 0.25 |
| Zirconium (Zr), % | 0 to 0.25 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.15 |