224.0-T7 Aluminum vs. 296.0-T7 Aluminum
Both 224.0-T7 aluminum and 296.0-T7 aluminum are aluminum alloys. Both are furnished in the T7 temper. They have a very high 96% of their average alloy composition in common.
For each property being compared, the top bar is 224.0-T7 aluminum and the bottom bar is 296.0-T7 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 71 | |
| 72 | 
| Elongation at Break, % | 4.0 | |
| 3.9 | 
| Fatigue Strength, MPa | 86 | |
| 47 | 
| Poisson's Ratio | 0.33 | |
| 0.33 | 
| Shear Modulus, GPa | 27 | |
| 27 | 
| Tensile Strength: Ultimate (UTS), MPa | 420 | |
| 260 | 
| Tensile Strength: Yield (Proof), MPa | 330 | |
| 130 | 
Thermal Properties
| Latent Heat of Fusion, J/g | 390 | |
| 420 | 
| Maximum Temperature: Mechanical, °C | 220 | |
| 170 | 
| Melting Completion (Liquidus), °C | 650 | |
| 630 | 
| Melting Onset (Solidus), °C | 550 | |
| 540 | 
| Specific Heat Capacity, J/kg-K | 870 | |
| 870 | 
| Thermal Conductivity, W/m-K | 120 | |
| 150 | 
| Thermal Expansion, µm/m-K | 23 | |
| 22 | 
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 32 | |
| 37 | 
| Electrical Conductivity: Equal Weight (Specific), % IACS | 95 | |
| 110 | 
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 11 | 
| Density, g/cm3 | 3.0 | |
| 3.0 | 
| Embodied Carbon, kg CO2/kg material | 8.3 | |
| 7.8 | 
| Embodied Energy, MJ/kg | 160 | |
| 150 | 
| Embodied Water, L/kg | 1150 | |
| 1110 | 
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 16 | |
| 8.6 | 
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 770 | |
| 120 | 
| Stiffness to Weight: Axial, points | 13 | |
| 13 | 
| Stiffness to Weight: Bending, points | 45 | |
| 46 | 
| Strength to Weight: Axial, points | 38 | |
| 24 | 
| Strength to Weight: Bending, points | 41 | |
| 31 | 
| Thermal Diffusivity, mm2/s | 47 | |
| 56 | 
| Thermal Shock Resistance, points | 18 | |
| 12 | 
Alloy Composition
| Aluminum (Al), % | 93 to 95.2 | |
| 89 to 94 | 
| Copper (Cu), % | 4.5 to 5.5 | |
| 4.0 to 5.0 | 
| Iron (Fe), % | 0 to 0.1 | |
| 0 to 1.2 | 
| Magnesium (Mg), % | 0 | |
| 0 to 0.050 | 
| Manganese (Mn), % | 0.2 to 0.5 | |
| 0 to 0.35 | 
| Nickel (Ni), % | 0 | |
| 0 to 0.35 | 
| Silicon (Si), % | 0 to 0.060 | |
| 2.0 to 3.0 | 
| Titanium (Ti), % | 0 to 0.35 | |
| 0 to 0.25 | 
| Vanadium (V), % | 0.050 to 0.15 | |
| 0 | 
| Zinc (Zn), % | 0 | |
| 0 to 0.5 | 
| Zirconium (Zr), % | 0.1 to 0.25 | |
| 0 | 
| Residuals, % | 0 | |
| 0 to 0.35 |