7049 Aluminum vs. 5082 Aluminum
Both 7049 aluminum and 5082 aluminum are aluminum alloys. They have a moderately high 91% of their average alloy composition in common. 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 7049 aluminum and the bottom bar is 5082 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 67 |
| Elongation at Break, % | 6.2 to 7.0 | |
| 1.1 |
| Fatigue Strength, MPa | 160 to 170 | |
| 110 to 130 |
| Poisson's Ratio | 0.32 | |
| 0.33 |
| Shear Modulus, GPa | 27 | |
| 25 |
| Shear Strength, MPa | 300 to 310 | |
| 210 to 230 |
| Tensile Strength: Ultimate (UTS), MPa | 510 to 530 | |
| 380 to 400 |
| Tensile Strength: Yield (Proof), MPa | 420 to 450 | |
| 300 to 340 |
Thermal Properties
| Latent Heat of Fusion, J/g | 370 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 180 |
| Melting Completion (Liquidus), °C | 640 | |
| 640 |
| Melting Onset (Solidus), °C | 480 | |
| 560 |
| Specific Heat Capacity, J/kg-K | 860 | |
| 910 |
| Thermal Conductivity, W/m-K | 130 | |
| 130 |
| Thermal Expansion, µm/m-K | 23 | |
| 24 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 36 | |
| 32 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 110 | |
| 110 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 10 | |
| 9.5 |
| Density, g/cm3 | 3.1 | |
| 2.7 |
| Embodied Carbon, kg CO2/kg material | 8.1 | |
| 8.9 |
| Embodied Energy, MJ/kg | 140 | |
| 150 |
| Embodied Water, L/kg | 1110 | |
| 1180 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 31 to 34 | |
| 4.0 to 4.3 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1270 to 1440 | |
| 670 to 870 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 45 | |
| 51 |
| Strength to Weight: Axial, points | 46 to 47 | |
| 39 to 41 |
| Strength to Weight: Bending, points | 46 to 47 | |
| 43 to 45 |
| Thermal Diffusivity, mm2/s | 51 | |
| 54 |
| Thermal Shock Resistance, points | 22 to 23 | |
| 17 to 18 |
Alloy Composition
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| Aluminum (Al), % | 85.7 to 89.5 | |
| 93.5 to 96 |
| Chromium (Cr), % | 0.1 to 0.22 | |
| 0 to 0.15 |
| Copper (Cu), % | 1.2 to 1.9 | |
| 0 to 0.15 |
| Iron (Fe), % | 0 to 0.35 | |
| 0 to 0.35 |
| Magnesium (Mg), % | 2.0 to 2.9 | |
| 4.0 to 5.0 |
| Manganese (Mn), % | 0 to 0.2 | |
| 0 to 0.15 |
| Silicon (Si), % | 0 to 0.25 | |
| 0 to 0.2 |
| Titanium (Ti), % | 0 to 0.1 | |
| 0 to 0.1 |
| Zinc (Zn), % | 7.2 to 8.2 | |
| 0 to 0.25 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.15 |