5254 Aluminum vs. 2124 Aluminum
Both 5254 aluminum and 2124 aluminum are aluminum alloys. They have a very high 95% of their average alloy composition in common.
For each property being compared, the top bar is 5254 aluminum and the bottom bar is 2124 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 68 | |
| 71 |
| Elongation at Break, % | 3.4 to 22 | |
| 5.7 |
| Fatigue Strength, MPa | 110 to 160 | |
| 130 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 26 | |
| 27 |
| Shear Strength, MPa | 150 to 200 | |
| 280 |
| Tensile Strength: Ultimate (UTS), MPa | 240 to 350 | |
| 490 |
| Tensile Strength: Yield (Proof), MPa | 100 to 270 | |
| 430 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 390 |
| Maximum Temperature: Mechanical, °C | 190 | |
| 190 |
| Melting Completion (Liquidus), °C | 640 | |
| 640 |
| Melting Onset (Solidus), °C | 590 | |
| 500 |
| Specific Heat Capacity, J/kg-K | 900 | |
| 880 |
| Thermal Conductivity, W/m-K | 130 | |
| 150 |
| Thermal Expansion, µm/m-K | 24 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 32 | |
| 38 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 110 | |
| 110 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 10 |
| Density, g/cm3 | 2.7 | |
| 3.0 |
| Embodied Carbon, kg CO2/kg material | 8.8 | |
| 8.2 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1180 | |
| 1150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 11 to 41 | |
| 27 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 73 to 550 | |
| 1290 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 51 | |
| 46 |
| Strength to Weight: Axial, points | 25 to 37 | |
| 45 |
| Strength to Weight: Bending, points | 32 to 41 | |
| 46 |
| Thermal Diffusivity, mm2/s | 52 | |
| 58 |
| Thermal Shock Resistance, points | 10 to 16 | |
| 21 |
Alloy Composition
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| Aluminum (Al), % | 94.4 to 96.8 | |
| 91.3 to 94.7 |
| Chromium (Cr), % | 0.15 to 0.35 | |
| 0 to 0.1 |
| Copper (Cu), % | 0 to 0.050 | |
| 3.8 to 4.9 |
| Iron (Fe), % | 0 to 0.45 | |
| 0 to 0.3 |
| Magnesium (Mg), % | 3.1 to 3.9 | |
| 1.2 to 1.8 |
| Manganese (Mn), % | 0 to 0.010 | |
| 0.3 to 0.9 |
| Silicon (Si), % | 0 to 0.45 | |
| 0 to 0.2 |
| Titanium (Ti), % | 0 to 0.050 | |
| 0 to 0.15 |
| Zinc (Zn), % | 0 to 0.2 | |
| 0 to 0.25 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.15 |