A384.0 Aluminum vs. 2618A Aluminum
Both A384.0 aluminum and 2618A aluminum are aluminum alloys. They have 87% of their average alloy composition in common.
For each property being compared, the top bar is A384.0 aluminum and the bottom bar is 2618A aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 74 | |
| 72 |
| Elongation at Break, % | 2.5 | |
| 4.5 |
| Fatigue Strength, MPa | 140 | |
| 120 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 28 | |
| 27 |
| Shear Strength, MPa | 200 | |
| 260 |
| Tensile Strength: Ultimate (UTS), MPa | 330 | |
| 440 |
| Tensile Strength: Yield (Proof), MPa | 170 | |
| 410 |
Thermal Properties
| Latent Heat of Fusion, J/g | 550 | |
| 390 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 230 |
| Melting Completion (Liquidus), °C | 610 | |
| 670 |
| Melting Onset (Solidus), °C | 510 | |
| 560 |
| Specific Heat Capacity, J/kg-K | 880 | |
| 880 |
| Thermal Conductivity, W/m-K | 96 | |
| 150 |
| Thermal Expansion, µm/m-K | 21 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 23 | |
| 37 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 73 | |
| 110 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 11 |
| Density, g/cm3 | 2.8 | |
| 3.0 |
| Embodied Carbon, kg CO2/kg material | 7.5 | |
| 8.4 |
| Embodied Energy, MJ/kg | 140 | |
| 150 |
| Embodied Water, L/kg | 1010 | |
| 1150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 6.9 | |
| 19 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 180 | |
| 1180 |
| Stiffness to Weight: Axial, points | 15 | |
| 13 |
| Stiffness to Weight: Bending, points | 50 | |
| 47 |
| Strength to Weight: Axial, points | 32 | |
| 41 |
| Strength to Weight: Bending, points | 38 | |
| 44 |
| Thermal Diffusivity, mm2/s | 39 | |
| 59 |
| Thermal Shock Resistance, points | 15 | |
| 19 |
Alloy Composition
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| Aluminum (Al), % | 79.3 to 86.5 | |
| 91.5 to 95.2 |
| Copper (Cu), % | 3.0 to 4.5 | |
| 1.8 to 2.7 |
| Iron (Fe), % | 0 to 1.3 | |
| 0.9 to 1.4 |
| Magnesium (Mg), % | 0 to 0.1 | |
| 1.2 to 1.8 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0 to 0.25 |
| Nickel (Ni), % | 0 to 0.5 | |
| 0.8 to 1.4 |
| Silicon (Si), % | 10.5 to 12 | |
| 0.15 to 0.25 |
| Tin (Sn), % | 0 to 0.35 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 0 to 0.2 |
| Zinc (Zn), % | 0 to 1.0 | |
| 0 to 0.15 |
| Zirconium (Zr), % | 0 | |
| 0 to 0.25 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.15 |