7049A Aluminum vs. 7049 Aluminum
Both 7049A aluminum and 7049 aluminum are aluminum alloys. Their average alloy composition is basically identical. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is 7049A aluminum and the bottom bar is 7049 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 71 | |
| 70 |
| Elongation at Break, % | 5.0 to 5.7 | |
| 6.2 to 7.0 |
| Fatigue Strength, MPa | 180 | |
| 160 to 170 |
| Poisson's Ratio | 0.32 | |
| 0.32 |
| Shear Modulus, GPa | 27 | |
| 27 |
| Shear Strength, MPa | 340 to 350 | |
| 300 to 310 |
| Tensile Strength: Ultimate (UTS), MPa | 580 to 590 | |
| 510 to 530 |
| Tensile Strength: Yield (Proof), MPa | 500 to 530 | |
| 420 to 450 |
Thermal Properties
| Latent Heat of Fusion, J/g | 370 | |
| 370 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 180 |
| Melting Completion (Liquidus), °C | 640 | |
| 640 |
| Melting Onset (Solidus), °C | 430 | |
| 480 |
| Specific Heat Capacity, J/kg-K | 850 | |
| 860 |
| Thermal Conductivity, W/m-K | 130 | |
| 130 |
| Thermal Expansion, µm/m-K | 24 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 40 | |
| 36 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 120 | |
| 110 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 10 | |
| 10 |
| Density, g/cm3 | 3.1 | |
| 3.1 |
| Embodied Carbon, kg CO2/kg material | 8.2 | |
| 8.1 |
| Embodied Energy, MJ/kg | 150 | |
| 140 |
| Embodied Water, L/kg | 1100 | |
| 1110 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 28 to 32 | |
| 31 to 34 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1800 to 1990 | |
| 1270 to 1440 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 44 | |
| 45 |
| Strength to Weight: Axial, points | 52 to 53 | |
| 46 to 47 |
| Strength to Weight: Bending, points | 50 to 51 | |
| 46 to 47 |
| Thermal Diffusivity, mm2/s | 50 | |
| 51 |
| Thermal Shock Resistance, points | 25 | |
| 22 to 23 |
Alloy Composition
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| Aluminum (Al), % | 84.6 to 89.5 | |
| 85.7 to 89.5 |
| Chromium (Cr), % | 0.050 to 0.25 | |
| 0.1 to 0.22 |
| Copper (Cu), % | 1.2 to 1.9 | |
| 1.2 to 1.9 |
| Iron (Fe), % | 0 to 0.5 | |
| 0 to 0.35 |
| Magnesium (Mg), % | 2.1 to 3.1 | |
| 2.0 to 2.9 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0 to 0.2 |
| Silicon (Si), % | 0 to 0.4 | |
| 0 to 0.25 |
| Titanium (Ti), % | 0 to 0.25 | |
| 0 to 0.1 |
| Zinc (Zn), % | 7.2 to 8.4 | |
| 7.2 to 8.2 |
| Zirconium (Zr), % | 0 to 0.25 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.15 |