Grade 34 Titanium vs. 7022 Aluminum
Grade 34 titanium belongs to the titanium alloys classification, while 7022 aluminum belongs to the aluminum alloys. 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 grade 34 titanium and the bottom bar is 7022 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 70 |
| Elongation at Break, % | 20 | |
| 6.3 to 8.0 |
| Fatigue Strength, MPa | 310 | |
| 140 to 170 |
| Poisson's Ratio | 0.32 | |
| 0.32 |
| Shear Modulus, GPa | 41 | |
| 26 |
| Shear Strength, MPa | 320 | |
| 290 to 320 |
| Tensile Strength: Ultimate (UTS), MPa | 510 | |
| 490 to 540 |
| Tensile Strength: Yield (Proof), MPa | 450 | |
| 390 to 460 |
Thermal Properties
| Latent Heat of Fusion, J/g | 420 | |
| 380 |
| Maximum Temperature: Mechanical, °C | 320 | |
| 200 |
| Melting Completion (Liquidus), °C | 1660 | |
| 640 |
| Melting Onset (Solidus), °C | 1610 | |
| 480 |
| Specific Heat Capacity, J/kg-K | 540 | |
| 870 |
| Thermal Conductivity, W/m-K | 21 | |
| 140 |
| Thermal Expansion, µm/m-K | 8.7 | |
| 24 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 3.4 | |
| 21 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 6.7 | |
| 65 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 55 | |
| 10 |
| Density, g/cm3 | 4.5 | |
| 2.9 |
| Embodied Carbon, kg CO2/kg material | 33 | |
| 8.5 |
| Embodied Energy, MJ/kg | 530 | |
| 150 |
| Embodied Water, L/kg | 200 | |
| 1130 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 100 | |
| 29 to 40 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 960 | |
| 1100 to 1500 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 35 | |
| 47 |
| Strength to Weight: Axial, points | 31 | |
| 47 to 51 |
| Strength to Weight: Bending, points | 31 | |
| 47 to 50 |
| Thermal Diffusivity, mm2/s | 8.4 | |
| 54 |
| Thermal Shock Resistance, points | 39 | |
| 21 to 23 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 87.9 to 92.4 |
| Carbon (C), % | 0 to 0.080 | |
| 0 |
| Chromium (Cr), % | 0.1 to 0.2 | |
| 0.1 to 0.3 |
| Copper (Cu), % | 0 | |
| 0.5 to 1.0 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.3 | |
| 0 to 0.5 |
| Magnesium (Mg), % | 0 | |
| 2.6 to 3.7 |
| Manganese (Mn), % | 0 | |
| 0.1 to 0.4 |
| Nickel (Ni), % | 0.35 to 0.55 | |
| 0 |
| Nitrogen (N), % | 0 to 0.050 | |
| 0 |
| Oxygen (O), % | 0 to 0.35 | |
| 0 |
| Palladium (Pd), % | 0.010 to 0.020 | |
| 0 |
| Ruthenium (Ru), % | 0.020 to 0.040 | |
| 0 |
| Silicon (Si), % | 0 | |
| 0 to 0.5 |
| Titanium (Ti), % | 98 to 99.52 | |
| 0 to 0.2 |
| Zinc (Zn), % | 0 | |
| 4.3 to 5.2 |
| Zirconium (Zr), % | 0 | |
| 0 to 0.2 |
| Residuals, % | 0 to 0.4 | |
| 0 to 0.15 |