7178 Aluminum vs. 515.0 Aluminum
Both 7178 aluminum and 515.0 aluminum are aluminum alloys. They have a moderately high 91% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is 7178 aluminum and the bottom bar is 515.0 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 71 | |
| 70 |
| Elongation at Break, % | 4.5 to 12 | |
| 10 |
| Fatigue Strength, MPa | 120 to 210 | |
| 130 |
| Poisson's Ratio | 0.32 | |
| 0.33 |
| Shear Modulus, GPa | 27 | |
| 26 |
| Shear Strength, MPa | 140 to 380 | |
| 190 |
| Tensile Strength: Ultimate (UTS), MPa | 240 to 640 | |
| 280 |
Thermal Properties
| Latent Heat of Fusion, J/g | 370 | |
| 470 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 170 |
| Melting Completion (Liquidus), °C | 630 | |
| 620 |
| Melting Onset (Solidus), °C | 480 | |
| 620 |
| Specific Heat Capacity, J/kg-K | 860 | |
| 900 |
| Thermal Expansion, µm/m-K | 23 | |
| 23 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 10 | |
| 9.5 |
| Density, g/cm3 | 3.1 | |
| 2.6 |
| Embodied Carbon, kg CO2/kg material | 8.2 | |
| 8.4 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1110 | |
| 1120 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 15 |
| Stiffness to Weight: Bending, points | 45 | |
| 52 |
| Strength to Weight: Axial, points | 21 to 58 | |
| 30 |
| Strength to Weight: Bending, points | 28 to 54 | |
| 36 |
| Thermal Shock Resistance, points | 10 to 28 | |
| 13 |
Alloy Composition
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| Aluminum (Al), % | 85.4 to 89.5 | |
| 93.6 to 96.6 |
| Chromium (Cr), % | 0.18 to 0.28 | |
| 0 |
| Copper (Cu), % | 1.6 to 2.4 | |
| 0 to 0.2 |
| Iron (Fe), % | 0 to 0.5 | |
| 0 to 1.3 |
| Magnesium (Mg), % | 2.4 to 3.1 | |
| 2.5 to 4.0 |
| Manganese (Mn), % | 0 to 0.3 | |
| 0.4 to 0.6 |
| Silicon (Si), % | 0 to 0.4 | |
| 0.5 to 10 |
| Titanium (Ti), % | 0 to 0.2 | |
| 0 |
| Zinc (Zn), % | 6.3 to 7.3 | |
| 0 to 0.1 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.15 |