2011A Aluminum vs. 7175 Aluminum
Both 2011A aluminum and 7175 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 2011A aluminum and the bottom bar is 7175 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 70 |
| Elongation at Break, % | 6.8 to 16 | |
| 3.8 to 5.9 |
| Fatigue Strength, MPa | 75 to 100 | |
| 150 to 180 |
| Poisson's Ratio | 0.33 | |
| 0.32 |
| Shear Modulus, GPa | 26 | |
| 26 |
| Shear Strength, MPa | 190 to 250 | |
| 290 to 330 |
| Tensile Strength: Ultimate (UTS), MPa | 310 to 410 | |
| 520 to 570 |
| Tensile Strength: Yield (Proof), MPa | 140 to 310 | |
| 430 to 490 |
Thermal Properties
| Latent Heat of Fusion, J/g | 390 | |
| 380 |
| Maximum Temperature: Mechanical, °C | 190 | |
| 180 |
| Melting Completion (Liquidus), °C | 660 | |
| 640 |
| Melting Onset (Solidus), °C | 550 | |
| 480 |
| Specific Heat Capacity, J/kg-K | 870 | |
| 870 |
| Thermal Conductivity, W/m-K | 130 | |
| 140 |
| Thermal Expansion, µm/m-K | 23 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 33 | |
| 33 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 96 | |
| 99 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 10 |
| Density, g/cm3 | 3.1 | |
| 3.0 |
| Embodied Carbon, kg CO2/kg material | 7.9 | |
| 8.2 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1150 | |
| 1130 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 20 to 40 | |
| 18 to 29 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 140 to 670 | |
| 1310 to 1730 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 44 | |
| 46 |
| Strength to Weight: Axial, points | 28 to 37 | |
| 48 to 52 |
| Strength to Weight: Bending, points | 33 to 40 | |
| 48 to 51 |
| Thermal Diffusivity, mm2/s | 49 | |
| 53 |
| Thermal Shock Resistance, points | 14 to 18 | |
| 23 to 25 |
Alloy Composition
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| Aluminum (Al), % | 91.5 to 95.1 | |
| 88 to 91.4 |
| Bismuth (Bi), % | 0.2 to 0.6 | |
| 0 |
| Chromium (Cr), % | 0 | |
| 0.18 to 0.28 |
| Copper (Cu), % | 4.5 to 6.0 | |
| 1.2 to 2.0 |
| Iron (Fe), % | 0 to 0.5 | |
| 0 to 0.2 |
| Lead (Pb), % | 0.2 to 0.6 | |
| 0 |
| Magnesium (Mg), % | 0 | |
| 2.1 to 2.9 |
| Manganese (Mn), % | 0 | |
| 0 to 0.1 |
| Silicon (Si), % | 0 to 0.4 | |
| 0 to 0.15 |
| Titanium (Ti), % | 0 | |
| 0 to 0.1 |
| Zinc (Zn), % | 0 to 0.3 | |
| 5.1 to 6.1 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.15 |