2618 Aluminum vs. 1070A Aluminum
Both 2618 aluminum and 1070A aluminum are aluminum alloys. They have a moderately high 94% of their average alloy composition in common.
For each property being compared, the top bar is 2618 aluminum and the bottom bar is 1070A aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 120 | |
| 18 to 40 |
| Elastic (Young's, Tensile) Modulus, GPa | 71 | |
| 68 |
| Elongation at Break, % | 5.8 | |
| 2.3 to 33 |
| Fatigue Strength, MPa | 110 | |
| 17 to 51 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 27 | |
| 26 |
| Shear Strength, MPa | 260 | |
| 44 to 81 |
| Tensile Strength: Ultimate (UTS), MPa | 420 | |
| 68 to 140 |
| Tensile Strength: Yield (Proof), MPa | 350 | |
| 17 to 120 |
Thermal Properties
| Latent Heat of Fusion, J/g | 390 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 210 | |
| 170 |
| Melting Completion (Liquidus), °C | 640 | |
| 640 |
| Melting Onset (Solidus), °C | 550 | |
| 640 |
| Specific Heat Capacity, J/kg-K | 880 | |
| 900 |
| Thermal Conductivity, W/m-K | 160 | |
| 230 |
| Thermal Expansion, µm/m-K | 22 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 37 | |
| 60 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 110 | |
| 200 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 9.0 |
| Density, g/cm3 | 2.9 | |
| 2.7 |
| Embodied Carbon, kg CO2/kg material | 8.3 | |
| 8.2 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1150 | |
| 1200 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 23 | |
| 3.0 to 18 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 850 | |
| 2.1 to 100 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 47 | |
| 50 |
| Strength to Weight: Axial, points | 40 | |
| 7.0 to 14 |
| Strength to Weight: Bending, points | 42 | |
| 14 to 22 |
| Thermal Diffusivity, mm2/s | 62 | |
| 94 |
| Thermal Shock Resistance, points | 19 | |
| 3.1 to 6.3 |
Alloy Composition
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| Aluminum (Al), % | 92.4 to 94.9 | |
| 99.7 to 100 |
| Copper (Cu), % | 1.9 to 2.7 | |
| 0 to 0.030 |
| Iron (Fe), % | 0.9 to 1.3 | |
| 0 to 0.25 |
| Magnesium (Mg), % | 1.3 to 1.8 | |
| 0 to 0.030 |
| Manganese (Mn), % | 0 | |
| 0 to 0.030 |
| Nickel (Ni), % | 0.9 to 1.2 | |
| 0 |
| Silicon (Si), % | 0.1 to 0.25 | |
| 0 to 0.2 |
| Titanium (Ti), % | 0.040 to 0.1 | |
| 0 to 0.030 |
| Zinc (Zn), % | 0 to 0.1 | |
| 0 to 0.070 |
| Residuals, % | 0 to 0.15 | |
| 0 |