2017 Aluminum vs. 7108A Aluminum
Both 2017 aluminum and 7108A 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 7108A aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 71 | |
| 69 |
| Elongation at Break, % | 12 to 18 | |
| 11 to 13 |
| Fatigue Strength, MPa | 90 to 130 | |
| 120 to 130 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 27 | |
| 26 |
| Shear Strength, MPa | 130 to 260 | |
| 210 |
| Tensile Strength: Ultimate (UTS), MPa | 190 to 430 | |
| 350 |
| Tensile Strength: Yield (Proof), MPa | 76 to 260 | |
| 290 to 300 |
Thermal Properties
| Latent Heat of Fusion, J/g | 390 | |
| 380 |
| Maximum Temperature: Mechanical, °C | 190 | |
| 210 |
| Melting Completion (Liquidus), °C | 640 | |
| 630 |
| Melting Onset (Solidus), °C | 510 | |
| 520 |
| Specific Heat Capacity, J/kg-K | 880 | |
| 870 |
| Thermal Conductivity, W/m-K | 150 | |
| 150 |
| Thermal Expansion, µm/m-K | 24 | |
| 24 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 38 | |
| 36 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 110 | |
| 110 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 10 | |
| 10 |
| Density, g/cm3 | 3.0 | |
| 2.9 |
| Embodied Carbon, kg CO2/kg material | 8.0 | |
| 8.3 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1140 | |
| 1150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 24 to 66 | |
| 38 to 44 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 41 to 470 | |
| 610 to 640 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 46 | |
| 47 |
| Strength to Weight: Axial, points | 17 to 40 | |
| 33 to 34 |
| Strength to Weight: Bending, points | 24 to 42 | |
| 38 |
| Thermal Diffusivity, mm2/s | 56 | |
| 59 |
| Thermal Shock Resistance, points | 7.9 to 18 | |
| 15 to 16 |
Alloy Composition
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| Aluminum (Al), % | 91.6 to 95.5 | |
| 91.6 to 94.4 |
| Chromium (Cr), % | 0 to 0.1 | |
| 0 to 0.040 |
| Copper (Cu), % | 3.5 to 4.5 | |
| 0 to 0.050 |
| Gallium (Ga), % | 0 | |
| 0 to 0.030 |
| Iron (Fe), % | 0 to 0.7 | |
| 0 to 0.3 |
| Magnesium (Mg), % | 0.4 to 0.8 | |
| 0.7 to 1.5 |
| Manganese (Mn), % | 0.4 to 1.0 | |
| 0 to 0.050 |
| Silicon (Si), % | 0.2 to 0.8 | |
| 0 to 0.2 |
| Titanium (Ti), % | 0 to 0.15 | |
| 0 to 0.030 |
| Zinc (Zn), % | 0 to 0.25 | |
| 4.8 to 5.8 |
| Zirconium (Zr), % | 0 | |
| 0.15 to 0.25 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.15 |