2218 Aluminum vs. EN AC-47100 Aluminum
Both 2218 aluminum and EN AC-47100 aluminum are aluminum alloys. They have 88% of their average alloy composition in common. There are 30 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 2218 aluminum and the bottom bar is EN AC-47100 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 95 to 110 | |
| 80 |
| Elastic (Young's, Tensile) Modulus, GPa | 73 | |
| 73 |
| Elongation at Break, % | 6.8 to 10 | |
| 1.1 |
| Fatigue Strength, MPa | 110 | |
| 110 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 27 | |
| 27 |
| Tensile Strength: Ultimate (UTS), MPa | 330 to 430 | |
| 270 |
| Tensile Strength: Yield (Proof), MPa | 260 to 310 | |
| 160 |
Thermal Properties
| Latent Heat of Fusion, J/g | 390 | |
| 570 |
| Maximum Temperature: Mechanical, °C | 220 | |
| 170 |
| Melting Completion (Liquidus), °C | 640 | |
| 590 |
| Melting Onset (Solidus), °C | 510 | |
| 560 |
| Specific Heat Capacity, J/kg-K | 870 | |
| 890 |
| Thermal Conductivity, W/m-K | 140 | |
| 130 |
| Thermal Expansion, µm/m-K | 22 | |
| 21 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 37 | |
| 30 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 110 | |
| 100 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 9.5 |
| Density, g/cm3 | 3.1 | |
| 2.6 |
| Embodied Carbon, kg CO2/kg material | 8.2 | |
| 7.6 |
| Embodied Energy, MJ/kg | 150 | |
| 140 |
| Embodied Water, L/kg | 1130 | |
| 1030 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 27 to 31 | |
| 2.6 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 450 to 650 | |
| 170 |
| Stiffness to Weight: Axial, points | 13 | |
| 15 |
| Stiffness to Weight: Bending, points | 45 | |
| 53 |
| Strength to Weight: Axial, points | 30 to 39 | |
| 28 |
| Strength to Weight: Bending, points | 34 to 41 | |
| 35 |
| Thermal Diffusivity, mm2/s | 52 | |
| 54 |
| Thermal Shock Resistance, points | 15 to 19 | |
| 12 |
Alloy Composition
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| Aluminum (Al), % | 88.8 to 93.6 | |
| 81.4 to 88.8 |
| Chromium (Cr), % | 0 to 0.1 | |
| 0 to 0.1 |
| Copper (Cu), % | 3.5 to 4.5 | |
| 0.7 to 1.2 |
| Iron (Fe), % | 0 to 1.0 | |
| 0 to 1.3 |
| Lead (Pb), % | 0 | |
| 0 to 0.2 |
| Magnesium (Mg), % | 1.2 to 1.8 | |
| 0 to 0.35 |
| Manganese (Mn), % | 0 to 0.2 | |
| 0 to 0.55 |
| Nickel (Ni), % | 1.7 to 2.3 | |
| 0 to 0.3 |
| Silicon (Si), % | 0 to 0.9 | |
| 10.5 to 13.5 |
| Tin (Sn), % | 0 | |
| 0 to 0.1 |
| Titanium (Ti), % | 0 | |
| 0 to 0.2 |
| Zinc (Zn), % | 0 to 0.25 | |
| 0 to 0.55 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.25 |