7050 Aluminum vs. Grade 5 Titanium
7050 aluminum belongs to the aluminum alloys classification, while grade 5 titanium belongs to the titanium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is 7050 aluminum and the bottom bar is grade 5 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 110 |
| Elongation at Break, % | 2.2 to 12 | |
| 8.6 to 11 |
| Fatigue Strength, MPa | 130 to 210 | |
| 530 to 630 |
| Poisson's Ratio | 0.32 | |
| 0.32 |
| Shear Modulus, GPa | 26 | |
| 40 |
| Shear Strength, MPa | 280 to 330 | |
| 600 to 710 |
| Tensile Strength: Ultimate (UTS), MPa | 490 to 570 | |
| 1000 to 1190 |
| Tensile Strength: Yield (Proof), MPa | 390 to 500 | |
| 910 to 1110 |
Thermal Properties
| Latent Heat of Fusion, J/g | 370 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 190 | |
| 330 |
| Melting Completion (Liquidus), °C | 630 | |
| 1610 |
| Melting Onset (Solidus), °C | 490 | |
| 1650 |
| Specific Heat Capacity, J/kg-K | 860 | |
| 560 |
| Thermal Conductivity, W/m-K | 140 | |
| 6.8 |
| Thermal Expansion, µm/m-K | 24 | |
| 8.9 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 35 | |
| 1.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 100 | |
| 2.0 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 10 | |
| 36 |
| Density, g/cm3 | 3.1 | |
| 4.4 |
| Embodied Carbon, kg CO2/kg material | 8.2 | |
| 38 |
| Embodied Energy, MJ/kg | 150 | |
| 610 |
| Embodied Water, L/kg | 1120 | |
| 200 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 10 to 55 | |
| 100 to 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1110 to 1760 | |
| 3980 to 5880 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 45 | |
| 35 |
| Strength to Weight: Axial, points | 45 to 51 | |
| 62 to 75 |
| Strength to Weight: Bending, points | 45 to 50 | |
| 50 to 56 |
| Thermal Diffusivity, mm2/s | 54 | |
| 2.7 |
| Thermal Shock Resistance, points | 21 to 25 | |
| 76 to 91 |
Alloy Composition
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| Aluminum (Al), % | 87.3 to 92.1 | |
| 5.5 to 6.8 |
| Carbon (C), % | 0 | |
| 0 to 0.080 |
| Chromium (Cr), % | 0 to 0.040 | |
| 0 |
| Copper (Cu), % | 2.0 to 2.6 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 0 to 0.15 | |
| 0 to 0.4 |
| Magnesium (Mg), % | 1.9 to 2.6 | |
| 0 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.050 |
| Oxygen (O), % | 0 | |
| 0 to 0.2 |
| Silicon (Si), % | 0 to 0.12 | |
| 0 |
| Titanium (Ti), % | 0 to 0.060 | |
| 87.4 to 91 |
| Vanadium (V), % | 0 | |
| 3.5 to 4.5 |
| Yttrium (Y), % | 0 | |
| 0 to 0.0050 |
| Zinc (Zn), % | 5.7 to 6.7 | |
| 0 |
| Zirconium (Zr), % | 0.080 to 0.15 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.4 |