5251 Aluminum vs. A206.0 Aluminum
Both 5251 aluminum and A206.0 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 5251 aluminum and the bottom bar is A206.0 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 44 to 79 | |
| 100 to 110 |
| Elastic (Young's, Tensile) Modulus, GPa | 68 | |
| 70 |
| Elongation at Break, % | 2.0 to 19 | |
| 4.2 to 10 |
| Fatigue Strength, MPa | 59 to 110 | |
| 90 to 180 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 26 | |
| 26 |
| Shear Strength, MPa | 110 to 160 | |
| 260 |
| Tensile Strength: Ultimate (UTS), MPa | 180 to 280 | |
| 390 to 440 |
| Tensile Strength: Yield (Proof), MPa | 67 to 250 | |
| 250 to 380 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 390 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 170 |
| Melting Completion (Liquidus), °C | 650 | |
| 670 |
| Melting Onset (Solidus), °C | 610 | |
| 550 |
| Specific Heat Capacity, J/kg-K | 900 | |
| 880 |
| Thermal Conductivity, W/m-K | 150 | |
| 130 |
| Thermal Expansion, µm/m-K | 24 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 37 | |
| 30 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 120 | |
| 90 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 11 |
| Density, g/cm3 | 2.7 | |
| 3.0 |
| Embodied Carbon, kg CO2/kg material | 8.5 | |
| 8.0 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1180 | |
| 1150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 5.4 to 27 | |
| 16 to 37 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 33 to 450 | |
| 440 to 1000 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 50 | |
| 46 |
| Strength to Weight: Axial, points | 18 to 29 | |
| 36 to 41 |
| Strength to Weight: Bending, points | 26 to 35 | |
| 39 to 43 |
| Thermal Diffusivity, mm2/s | 61 | |
| 48 |
| Thermal Shock Resistance, points | 7.9 to 13 | |
| 17 to 19 |
Alloy Composition
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| Aluminum (Al), % | 95.5 to 98.2 | |
| 93.9 to 95.7 |
| Chromium (Cr), % | 0 to 0.15 | |
| 0 |
| Copper (Cu), % | 0 to 0.15 | |
| 4.2 to 5.0 |
| Iron (Fe), % | 0 to 0.5 | |
| 0 to 0.1 |
| Magnesium (Mg), % | 1.7 to 2.4 | |
| 0 to 0.15 |
| Manganese (Mn), % | 0.1 to 0.5 | |
| 0 to 0.2 |
| Nickel (Ni), % | 0 | |
| 0 to 0.050 |
| Silicon (Si), % | 0 to 0.4 | |
| 0 to 0.050 |
| Tin (Sn), % | 0 | |
| 0 to 0.050 |
| Titanium (Ti), % | 0 to 0.15 | |
| 0.15 to 0.3 |
| Zinc (Zn), % | 0 to 0.15 | |
| 0 to 0.1 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.15 |