5251 Aluminum vs. 5050 Aluminum
Both 5251 aluminum and 5050 aluminum are aluminum alloys. Their average alloy composition is basically identical. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is 5251 aluminum and the bottom bar is 5050 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 44 to 79 | |
| 36 to 68 |
| Elastic (Young's, Tensile) Modulus, GPa | 68 | |
| 68 |
| Elongation at Break, % | 2.0 to 19 | |
| 1.7 to 22 |
| Fatigue Strength, MPa | 59 to 110 | |
| 45 to 100 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 26 | |
| 26 |
| Shear Strength, MPa | 110 to 160 | |
| 91 to 140 |
| Tensile Strength: Ultimate (UTS), MPa | 180 to 280 | |
| 140 to 250 |
| Tensile Strength: Yield (Proof), MPa | 67 to 250 | |
| 50 to 210 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 180 |
| Melting Completion (Liquidus), °C | 650 | |
| 650 |
| Melting Onset (Solidus), °C | 610 | |
| 630 |
| Specific Heat Capacity, J/kg-K | 900 | |
| 900 |
| Thermal Conductivity, W/m-K | 150 | |
| 190 |
| Thermal Expansion, µm/m-K | 24 | |
| 24 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 37 | |
| 50 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 120 | |
| 170 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 9.5 |
| Density, g/cm3 | 2.7 | |
| 2.7 |
| Embodied Carbon, kg CO2/kg material | 8.5 | |
| 8.4 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1180 | |
| 1190 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 5.4 to 27 | |
| 4.1 to 24 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 33 to 450 | |
| 18 to 330 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 50 | |
| 50 |
| Strength to Weight: Axial, points | 18 to 29 | |
| 15 to 26 |
| Strength to Weight: Bending, points | 26 to 35 | |
| 22 to 33 |
| Thermal Diffusivity, mm2/s | 61 | |
| 79 |
| Thermal Shock Resistance, points | 7.9 to 13 | |
| 6.3 to 11 |
Alloy Composition
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| Aluminum (Al), % | 95.5 to 98.2 | |
| 96.3 to 98.9 |
| Chromium (Cr), % | 0 to 0.15 | |
| 0 to 0.1 |
| Copper (Cu), % | 0 to 0.15 | |
| 0 to 0.2 |
| Iron (Fe), % | 0 to 0.5 | |
| 0 to 0.7 |
| Magnesium (Mg), % | 1.7 to 2.4 | |
| 1.1 to 1.8 |
| Manganese (Mn), % | 0.1 to 0.5 | |
| 0 to 0.1 |
| Silicon (Si), % | 0 to 0.4 | |
| 0 to 0.4 |
| Titanium (Ti), % | 0 to 0.15 | |
| 0 |
| Zinc (Zn), % | 0 to 0.15 | |
| 0 to 0.25 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.15 |