2017 Aluminum vs. 1085 Aluminum
Both 2017 aluminum and 1085 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 2017 aluminum and the bottom bar is 1085 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 71 | |
| 68 |
| Elongation at Break, % | 12 to 18 | |
| 4.5 to 39 |
| Fatigue Strength, MPa | 90 to 130 | |
| 22 to 49 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 27 | |
| 26 |
| Shear Strength, MPa | 130 to 260 | |
| 48 to 79 |
| Tensile Strength: Ultimate (UTS), MPa | 190 to 430 | |
| 73 to 140 |
| Tensile Strength: Yield (Proof), MPa | 76 to 260 | |
| 17 to 120 |
Thermal Properties
| Latent Heat of Fusion, J/g | 390 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 190 | |
| 170 |
| Melting Completion (Liquidus), °C | 640 | |
| 640 |
| Melting Onset (Solidus), °C | 510 | |
| 640 |
| Specific Heat Capacity, J/kg-K | 880 | |
| 900 |
| Thermal Conductivity, W/m-K | 150 | |
| 230 |
| Thermal Expansion, µm/m-K | 24 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 38 | |
| 61 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 110 | |
| 200 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 10 | |
| 9.5 |
| Density, g/cm3 | 3.0 | |
| 2.7 |
| Embodied Carbon, kg CO2/kg material | 8.0 | |
| 8.3 |
| Embodied Energy, MJ/kg | 150 | |
| 160 |
| Embodied Water, L/kg | 1140 | |
| 1200 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 24 to 66 | |
| 4.8 to 21 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 41 to 470 | |
| 2.1 to 110 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 46 | |
| 50 |
| Strength to Weight: Axial, points | 17 to 40 | |
| 7.5 to 14 |
| Strength to Weight: Bending, points | 24 to 42 | |
| 14 to 22 |
| Thermal Diffusivity, mm2/s | 56 | |
| 94 |
| Thermal Shock Resistance, points | 7.9 to 18 | |
| 3.3 to 6.1 |
Alloy Composition
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| Aluminum (Al), % | 91.6 to 95.5 | |
| 99.85 to 100 |
| Chromium (Cr), % | 0 to 0.1 | |
| 0 |
| Copper (Cu), % | 3.5 to 4.5 | |
| 0 to 0.030 |
| Gallium (Ga), % | 0 | |
| 0 to 0.030 |
| Iron (Fe), % | 0 to 0.7 | |
| 0 to 0.12 |
| Magnesium (Mg), % | 0.4 to 0.8 | |
| 0 to 0.020 |
| Manganese (Mn), % | 0.4 to 1.0 | |
| 0 to 0.020 |
| Silicon (Si), % | 0.2 to 0.8 | |
| 0 to 0.1 |
| Titanium (Ti), % | 0 to 0.15 | |
| 0 to 0.020 |
| Vanadium (V), % | 0 | |
| 0 to 0.050 |
| Zinc (Zn), % | 0 to 0.25 | |
| 0 to 0.030 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.010 |