7020 Aluminum vs. Titanium 6-7
7020 aluminum belongs to the aluminum alloys classification, while titanium 6-7 belongs to the titanium alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.
For each property being compared, the top bar is 7020 aluminum and the bottom bar is titanium 6-7.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 120 |
| Elongation at Break, % | 8.4 to 14 | |
| 11 |
| Fatigue Strength, MPa | 110 to 130 | |
| 530 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 26 | |
| 45 |
| Shear Strength, MPa | 110 to 230 | |
| 610 |
| Tensile Strength: Ultimate (UTS), MPa | 190 to 390 | |
| 1020 |
| Tensile Strength: Yield (Proof), MPa | 120 to 310 | |
| 900 |
Thermal Properties
| Latent Heat of Fusion, J/g | 380 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 210 | |
| 300 |
| Melting Completion (Liquidus), °C | 650 | |
| 1700 |
| Melting Onset (Solidus), °C | 610 | |
| 1650 |
| Specific Heat Capacity, J/kg-K | 880 | |
| 520 |
| Thermal Expansion, µm/m-K | 23 | |
| 9.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 75 |
| Density, g/cm3 | 2.9 | |
| 5.1 |
| Embodied Carbon, kg CO2/kg material | 8.3 | |
| 34 |
| Embodied Energy, MJ/kg | 150 | |
| 540 |
| Embodied Water, L/kg | 1150 | |
| 190 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 23 to 46 | |
| 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 110 to 690 | |
| 3460 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 47 | |
| 32 |
| Strength to Weight: Axial, points | 18 to 37 | |
| 56 |
| Strength to Weight: Bending, points | 25 to 41 | |
| 44 |
| Thermal Shock Resistance, points | 8.3 to 17 | |
| 66 |
Alloy Composition
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| Aluminum (Al), % | 91.2 to 94.8 | |
| 5.5 to 6.5 |
| Carbon (C), % | 0 | |
| 0 to 0.080 |
| Chromium (Cr), % | 0.1 to 0.35 | |
| 0 |
| Copper (Cu), % | 0 to 0.2 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.0090 |
| Iron (Fe), % | 0 to 0.4 | |
| 0 to 0.25 |
| Magnesium (Mg), % | 1.0 to 1.4 | |
| 0 |
| Manganese (Mn), % | 0.050 to 0.5 | |
| 0 |
| Molybdenum (Mo), % | 0 | |
| 6.5 to 7.5 |
| Niobium (Nb), % | 0 | |
| 6.5 to 7.5 |
| Nitrogen (N), % | 0 | |
| 0 to 0.050 |
| Oxygen (O), % | 0 | |
| 0 to 0.2 |
| Silicon (Si), % | 0 to 0.35 | |
| 0 |
| Tantalum (Ta), % | 0 | |
| 0 to 0.5 |
| Titanium (Ti), % | 0 to 0.25 | |
| 84.9 to 88 |
| Zinc (Zn), % | 4.0 to 5.0 | |
| 0 |
| Zirconium (Zr), % | 0.080 to 0.25 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 |