7050 Aluminum vs. Grade 12 Titanium
7050 aluminum belongs to the aluminum alloys classification, while grade 12 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 12 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 110 |
| Elongation at Break, % | 2.2 to 12 | |
| 21 |
| Fatigue Strength, MPa | 130 to 210 | |
| 280 |
| Poisson's Ratio | 0.32 | |
| 0.32 |
| Shear Modulus, GPa | 26 | |
| 39 |
| Shear Strength, MPa | 280 to 330 | |
| 330 |
| Tensile Strength: Ultimate (UTS), MPa | 490 to 570 | |
| 530 |
| Tensile Strength: Yield (Proof), MPa | 390 to 500 | |
| 410 |
Thermal Properties
| Latent Heat of Fusion, J/g | 370 | |
| 420 |
| Maximum Temperature: Mechanical, °C | 190 | |
| 320 |
| Melting Completion (Liquidus), °C | 630 | |
| 1660 |
| Melting Onset (Solidus), °C | 490 | |
| 1610 |
| Specific Heat Capacity, J/kg-K | 860 | |
| 540 |
| Thermal Conductivity, W/m-K | 140 | |
| 21 |
| Thermal Expansion, µm/m-K | 24 | |
| 9.6 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 35 | |
| 3.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 100 | |
| 6.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 10 | |
| 37 |
| Density, g/cm3 | 3.1 | |
| 4.5 |
| Embodied Carbon, kg CO2/kg material | 8.2 | |
| 31 |
| Embodied Energy, MJ/kg | 150 | |
| 500 |
| Embodied Water, L/kg | 1120 | |
| 110 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 10 to 55 | |
| 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1110 to 1760 | |
| 770 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 45 | |
| 35 |
| Strength to Weight: Axial, points | 45 to 51 | |
| 32 |
| Strength to Weight: Bending, points | 45 to 50 | |
| 32 |
| Thermal Diffusivity, mm2/s | 54 | |
| 8.5 |
| Thermal Shock Resistance, points | 21 to 25 | |
| 37 |
Alloy Composition
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| Aluminum (Al), % | 87.3 to 92.1 | |
| 0 |
| 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 0.3 |
| Magnesium (Mg), % | 1.9 to 2.6 | |
| 0 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0 |
| Molybdenum (Mo), % | 0 | |
| 0.2 to 0.4 |
| Nickel (Ni), % | 0 | |
| 0.6 to 0.9 |
| Nitrogen (N), % | 0 | |
| 0 to 0.030 |
| Oxygen (O), % | 0 | |
| 0 to 0.25 |
| Silicon (Si), % | 0 to 0.12 | |
| 0 |
| Titanium (Ti), % | 0 to 0.060 | |
| 97.6 to 99.2 |
| 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 |