515.0 Aluminum vs. 705.0 Aluminum
Both 515.0 aluminum and 705.0 aluminum are aluminum alloys. They have a very high 98% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.
For each property being compared, the top bar is 515.0 aluminum and the bottom bar is 705.0 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 69 |
| Elongation at Break, % | 10 | |
| 8.4 to 10 |
| Fatigue Strength, MPa | 130 | |
| 63 to 98 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 26 | |
| 26 |
| Tensile Strength: Ultimate (UTS), MPa | 280 | |
| 240 to 260 |
Thermal Properties
| Latent Heat of Fusion, J/g | 470 | |
| 390 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 180 |
| Melting Completion (Liquidus), °C | 620 | |
| 640 |
| Melting Onset (Solidus), °C | 620 | |
| 610 |
| Specific Heat Capacity, J/kg-K | 900 | |
| 890 |
| Thermal Expansion, µm/m-K | 23 | |
| 24 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 9.5 |
| Density, g/cm3 | 2.6 | |
| 2.8 |
| Embodied Carbon, kg CO2/kg material | 8.4 | |
| 8.4 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1120 | |
| 1170 |
Common Calculations
| Stiffness to Weight: Axial, points | 15 | |
| 14 |
| Stiffness to Weight: Bending, points | 52 | |
| 49 |
| Strength to Weight: Axial, points | 30 | |
| 24 to 26 |
| Strength to Weight: Bending, points | 36 | |
| 31 to 32 |
| Thermal Shock Resistance, points | 13 | |
| 11 |
Alloy Composition
| Aluminum (Al), % | 93.6 to 96.6 | |
| 92.3 to 98.6 |
| Chromium (Cr), % | 0 | |
| 0 to 0.4 |
| Copper (Cu), % | 0 to 0.2 | |
| 0 to 0.2 |
| Iron (Fe), % | 0 to 1.3 | |
| 0 to 0.8 |
| Magnesium (Mg), % | 2.5 to 4.0 | |
| 1.4 to 1.8 |
| Manganese (Mn), % | 0.4 to 0.6 | |
| 0 to 0.6 |
| Silicon (Si), % | 0.5 to 10 | |
| 0 to 0.2 |
| Titanium (Ti), % | 0 | |
| 0 to 0.25 |
| Zinc (Zn), % | 0 to 0.1 | |
| 0 to 3.3 |
| Residuals, % | 0 | |
| 0 to 0.15 |