A206.0 Aluminum vs. 2218 Aluminum
Both A206.0 aluminum and 2218 aluminum are aluminum alloys. They have a very high 96% of their average alloy composition in common.
For each property being compared, the top bar is A206.0 aluminum and the bottom bar is 2218 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 100 to 110 | |
| 95 to 110 |
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 73 |
| Elongation at Break, % | 4.2 to 10 | |
| 6.8 to 10 |
| Fatigue Strength, MPa | 90 to 180 | |
| 110 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 26 | |
| 27 |
| Shear Strength, MPa | 260 | |
| 210 to 250 |
| Tensile Strength: Ultimate (UTS), MPa | 390 to 440 | |
| 330 to 430 |
| Tensile Strength: Yield (Proof), MPa | 250 to 380 | |
| 260 to 310 |
Thermal Properties
| Latent Heat of Fusion, J/g | 390 | |
| 390 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 220 |
| Melting Completion (Liquidus), °C | 670 | |
| 640 |
| Melting Onset (Solidus), °C | 550 | |
| 510 |
| Specific Heat Capacity, J/kg-K | 880 | |
| 870 |
| Thermal Conductivity, W/m-K | 130 | |
| 140 |
| Thermal Expansion, µm/m-K | 23 | |
| 22 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 30 | |
| 37 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 90 | |
| 110 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 11 |
| Density, g/cm3 | 3.0 | |
| 3.1 |
| Embodied Carbon, kg CO2/kg material | 8.0 | |
| 8.2 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1150 | |
| 1130 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 16 to 37 | |
| 27 to 31 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 440 to 1000 | |
| 450 to 650 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 46 | |
| 45 |
| Strength to Weight: Axial, points | 36 to 41 | |
| 30 to 39 |
| Strength to Weight: Bending, points | 39 to 43 | |
| 34 to 41 |
| Thermal Diffusivity, mm2/s | 48 | |
| 52 |
| Thermal Shock Resistance, points | 17 to 19 | |
| 15 to 19 |
Alloy Composition
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| Aluminum (Al), % | 93.9 to 95.7 | |
| 88.8 to 93.6 |
| Chromium (Cr), % | 0 | |
| 0 to 0.1 |
| Copper (Cu), % | 4.2 to 5.0 | |
| 3.5 to 4.5 |
| Iron (Fe), % | 0 to 0.1 | |
| 0 to 1.0 |
| Magnesium (Mg), % | 0 to 0.15 | |
| 1.2 to 1.8 |
| Manganese (Mn), % | 0 to 0.2 | |
| 0 to 0.2 |
| Nickel (Ni), % | 0 to 0.050 | |
| 1.7 to 2.3 |
| Silicon (Si), % | 0 to 0.050 | |
| 0 to 0.9 |
| Tin (Sn), % | 0 to 0.050 | |
| 0 |
| Titanium (Ti), % | 0.15 to 0.3 | |
| 0 |
| Zinc (Zn), % | 0 to 0.1 | |
| 0 to 0.25 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.15 |