705.0 Aluminum vs. 7050 Aluminum
Both 705.0 aluminum and 7050 aluminum are aluminum alloys. They have a moderately high 93% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is 705.0 aluminum and the bottom bar is 7050 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 69 | |
| 70 |
| Elongation at Break, % | 8.4 to 10 | |
| 2.2 to 12 |
| Fatigue Strength, MPa | 63 to 98 | |
| 130 to 210 |
| Poisson's Ratio | 0.33 | |
| 0.32 |
| Shear Modulus, GPa | 26 | |
| 26 |
| Tensile Strength: Ultimate (UTS), MPa | 240 to 260 | |
| 490 to 570 |
| Tensile Strength: Yield (Proof), MPa | 130 | |
| 390 to 500 |
Thermal Properties
| Latent Heat of Fusion, J/g | 390 | |
| 370 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 190 |
| Melting Completion (Liquidus), °C | 640 | |
| 630 |
| Melting Onset (Solidus), °C | 610 | |
| 490 |
| Specific Heat Capacity, J/kg-K | 890 | |
| 860 |
| Thermal Conductivity, W/m-K | 140 | |
| 140 |
| Thermal Expansion, µm/m-K | 24 | |
| 24 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 34 | |
| 35 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 110 | |
| 100 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 10 |
| Density, g/cm3 | 2.8 | |
| 3.1 |
| Embodied Carbon, kg CO2/kg material | 8.4 | |
| 8.2 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1170 | |
| 1120 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 18 to 20 | |
| 10 to 55 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 120 to 130 | |
| 1110 to 1760 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 49 | |
| 45 |
| Strength to Weight: Axial, points | 24 to 26 | |
| 45 to 51 |
| Strength to Weight: Bending, points | 31 to 32 | |
| 45 to 50 |
| Thermal Diffusivity, mm2/s | 55 | |
| 54 |
| Thermal Shock Resistance, points | 11 | |
| 21 to 25 |
Alloy Composition
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| Aluminum (Al), % | 92.3 to 98.6 | |
| 87.3 to 92.1 |
| Chromium (Cr), % | 0 to 0.4 | |
| 0 to 0.040 |
| Copper (Cu), % | 0 to 0.2 | |
| 2.0 to 2.6 |
| Iron (Fe), % | 0 to 0.8 | |
| 0 to 0.15 |
| Magnesium (Mg), % | 1.4 to 1.8 | |
| 1.9 to 2.6 |
| Manganese (Mn), % | 0 to 0.6 | |
| 0 to 0.1 |
| Silicon (Si), % | 0 to 0.2 | |
| 0 to 0.12 |
| Titanium (Ti), % | 0 to 0.25 | |
| 0 to 0.060 |
| Zinc (Zn), % | 0 to 3.3 | |
| 5.7 to 6.7 |
| Zirconium (Zr), % | 0 | |
| 0.080 to 0.15 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.15 |