324.0-F Aluminum vs. 772.0-F Aluminum
Both 324.0-F aluminum and 772.0-F aluminum are aluminum alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have a moderately high 91% of their average alloy composition in common.
For each property being compared, the top bar is 324.0-F aluminum and the bottom bar is 772.0-F aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 71 | |
| 69 |
| Elongation at Break, % | 4.0 | |
| 6.3 |
| Fatigue Strength, MPa | 79 | |
| 160 |
| Poisson's Ratio | 0.33 | |
| 0.32 |
| Shear Modulus, GPa | 27 | |
| 26 |
| Tensile Strength: Ultimate (UTS), MPa | 210 | |
| 260 |
| Tensile Strength: Yield (Proof), MPa | 110 | |
| 220 |
Thermal Properties
| Latent Heat of Fusion, J/g | 500 | |
| 380 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 180 |
| Melting Completion (Liquidus), °C | 610 | |
| 630 |
| Melting Onset (Solidus), °C | 550 | |
| 580 |
| Specific Heat Capacity, J/kg-K | 900 | |
| 870 |
| Thermal Conductivity, W/m-K | 150 | |
| 150 |
| Thermal Expansion, µm/m-K | 21 | |
| 24 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 34 | |
| 35 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 120 | |
| 110 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 9.5 |
| Density, g/cm3 | 2.7 | |
| 3.0 |
| Embodied Carbon, kg CO2/kg material | 7.9 | |
| 8.0 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1090 | |
| 1140 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 7.0 | |
| 16 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 85 | |
| 350 |
| Stiffness to Weight: Axial, points | 15 | |
| 13 |
| Stiffness to Weight: Bending, points | 52 | |
| 46 |
| Strength to Weight: Axial, points | 22 | |
| 25 |
| Strength to Weight: Bending, points | 29 | |
| 31 |
| Thermal Diffusivity, mm2/s | 62 | |
| 58 |
| Thermal Shock Resistance, points | 9.7 | |
| 11 |
Alloy Composition
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| Aluminum (Al), % | 87.3 to 92.2 | |
| 91.2 to 93.2 |
| Chromium (Cr), % | 0 | |
| 0.060 to 0.2 |
| Copper (Cu), % | 0.4 to 0.6 | |
| 0 to 0.1 |
| Iron (Fe), % | 0 to 1.2 | |
| 0 to 0.15 |
| Magnesium (Mg), % | 0.4 to 0.7 | |
| 0.6 to 0.8 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0 to 0.1 |
| Nickel (Ni), % | 0 to 0.3 | |
| 0 |
| Silicon (Si), % | 7.0 to 8.0 | |
| 0 to 0.15 |
| Titanium (Ti), % | 0 to 0.2 | |
| 0.1 to 0.2 |
| Zinc (Zn), % | 0 to 1.0 | |
| 6.0 to 7.0 |
| Residuals, % | 0 to 0.2 | |
| 0 to 0.15 |