1050A Aluminum vs. 2018 Aluminum
Both 1050A aluminum and 2018 aluminum are aluminum alloys. They have a moderately high 92% of their average alloy composition in common.
For each property being compared, the top bar is 1050A aluminum and the bottom bar is 2018 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 20 to 45 | |
| 120 |
| Elastic (Young's, Tensile) Modulus, GPa | 68 | |
| 73 |
| Elongation at Break, % | 1.1 to 33 | |
| 9.6 |
| Fatigue Strength, MPa | 22 to 55 | |
| 120 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 26 | |
| 27 |
| Shear Strength, MPa | 44 to 97 | |
| 270 |
| Tensile Strength: Ultimate (UTS), MPa | 68 to 170 | |
| 420 |
| Tensile Strength: Yield (Proof), MPa | 22 to 150 | |
| 310 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 390 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 220 |
| Melting Completion (Liquidus), °C | 660 | |
| 640 |
| Melting Onset (Solidus), °C | 650 | |
| 510 |
| Specific Heat Capacity, J/kg-K | 900 | |
| 870 |
| Thermal Conductivity, W/m-K | 230 | |
| 150 |
| Thermal Expansion, µm/m-K | 24 | |
| 22 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 59 | |
| 40 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 200 | |
| 120 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.0 | |
| 11 |
| Density, g/cm3 | 2.7 | |
| 3.1 |
| Embodied Carbon, kg CO2/kg material | 8.2 | |
| 8.1 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1200 | |
| 1130 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 1.9 to 19 | |
| 37 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 3.7 to 160 | |
| 670 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 50 | |
| 45 |
| Strength to Weight: Axial, points | 6.9 to 18 | |
| 38 |
| Strength to Weight: Bending, points | 14 to 25 | |
| 41 |
| Thermal Diffusivity, mm2/s | 94 | |
| 57 |
| Thermal Shock Resistance, points | 3.0 to 7.6 | |
| 19 |
Alloy Composition
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| Aluminum (Al), % | 99.5 to 100 | |
| 89.7 to 94.4 |
| Chromium (Cr), % | 0 | |
| 0 to 0.1 |
| Copper (Cu), % | 0 to 0.050 | |
| 3.5 to 4.5 |
| Iron (Fe), % | 0 to 0.4 | |
| 0 to 1.0 |
| Magnesium (Mg), % | 0 to 0.050 | |
| 0.45 to 0.9 |
| Manganese (Mn), % | 0 to 0.050 | |
| 0 to 0.2 |
| Nickel (Ni), % | 0 | |
| 1.7 to 2.3 |
| Silicon (Si), % | 0 to 0.25 | |
| 0 to 0.9 |
| Titanium (Ti), % | 0 to 0.050 | |
| 0 |
| Zinc (Zn), % | 0 to 0.070 | |
| 0 to 0.25 |
| Residuals, % | 0 | |
| 0 to 0.15 |