2011-T451 Aluminum vs. 7020-T451 Aluminum
Both 2011-T451 aluminum and 7020-T451 aluminum are aluminum alloys. Both are furnished in the T451 temper. They have a moderately high 94% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is 2011-T451 aluminum and the bottom bar is 7020-T451 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 71 | |
| 70 |
| Elongation at Break, % | 16 | |
| 14 |
| Fatigue Strength, MPa | 74 | |
| 120 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 27 | |
| 26 |
| Shear Strength, MPa | 190 | |
| 220 |
| Tensile Strength: Ultimate (UTS), MPa | 310 | |
| 360 |
| Tensile Strength: Yield (Proof), MPa | 140 | |
| 240 |
Thermal Properties
| Latent Heat of Fusion, J/g | 390 | |
| 380 |
| Maximum Temperature: Mechanical, °C | 190 | |
| 210 |
| Melting Completion (Liquidus), °C | 640 | |
| 650 |
| Melting Onset (Solidus), °C | 540 | |
| 610 |
| Specific Heat Capacity, J/kg-K | 870 | |
| 880 |
| Thermal Conductivity, W/m-K | 140 | |
| 150 |
| Thermal Expansion, µm/m-K | 23 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 35 | |
| 39 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 100 | |
| 120 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 9.5 |
| Density, g/cm3 | 3.1 | |
| 2.9 |
| Embodied Carbon, kg CO2/kg material | 7.9 | |
| 8.3 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1150 | |
| 1150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 41 | |
| 46 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 140 | |
| 400 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 44 | |
| 47 |
| Strength to Weight: Axial, points | 28 | |
| 35 |
| Strength to Weight: Bending, points | 33 | |
| 39 |
| Thermal Diffusivity, mm2/s | 51 | |
| 59 |
| Thermal Shock Resistance, points | 14 | |
| 16 |
Alloy Composition
| Aluminum (Al), % | 91.3 to 94.6 | |
| 91.2 to 94.8 |
| Bismuth (Bi), % | 0.2 to 0.6 | |
| 0 |
| Chromium (Cr), % | 0 | |
| 0.1 to 0.35 |
| Copper (Cu), % | 5.0 to 6.0 | |
| 0 to 0.2 |
| Iron (Fe), % | 0 to 0.7 | |
| 0 to 0.4 |
| Lead (Pb), % | 0.2 to 0.6 | |
| 0 |
| Magnesium (Mg), % | 0 | |
| 1.0 to 1.4 |
| Manganese (Mn), % | 0 | |
| 0.050 to 0.5 |
| Silicon (Si), % | 0 to 0.4 | |
| 0 to 0.35 |
| Titanium (Ti), % | 0 | |
| 0 to 0.25 |
| Zinc (Zn), % | 0 to 0.3 | |
| 4.0 to 5.0 |
| Zirconium (Zr), % | 0 | |
| 0.080 to 0.25 |
| Residuals, % | 0 | |
| 0 to 0.15 |