Grade 9 Titanium vs. Titanium 15-3-3-3
Both grade 9 titanium and titanium 15-3-3-3 are titanium alloys. They have 81% of their average alloy composition in common. There are 29 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 grade 9 titanium and the bottom bar is titanium 15-3-3-3.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 100 |
| Elongation at Break, % | 11 to 17 | |
| 5.7 to 8.0 |
| Fatigue Strength, MPa | 330 to 480 | |
| 610 to 710 |
| Poisson's Ratio | 0.32 | |
| 0.33 |
| Shear Modulus, GPa | 40 | |
| 39 |
| Shear Strength, MPa | 430 to 580 | |
| 660 to 810 |
| Tensile Strength: Ultimate (UTS), MPa | 700 to 960 | |
| 1120 to 1390 |
| Tensile Strength: Yield (Proof), MPa | 540 to 830 | |
| 1100 to 1340 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 390 |
| Maximum Temperature: Mechanical, °C | 330 | |
| 430 |
| Melting Completion (Liquidus), °C | 1640 | |
| 1620 |
| Melting Onset (Solidus), °C | 1590 | |
| 1560 |
| Specific Heat Capacity, J/kg-K | 550 | |
| 520 |
| Thermal Conductivity, W/m-K | 8.1 | |
| 8.1 |
| Thermal Expansion, µm/m-K | 9.1 | |
| 9.8 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.4 | |
| 1.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.7 | |
| 2.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 37 | |
| 40 |
| Density, g/cm3 | 4.5 | |
| 4.8 |
| Embodied Carbon, kg CO2/kg material | 36 | |
| 59 |
| Embodied Energy, MJ/kg | 580 | |
| 950 |
| Embodied Water, L/kg | 150 | |
| 260 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 89 to 110 | |
| 78 to 89 |
| Stiffness to Weight: Axial, points | 13 | |
| 12 |
| Stiffness to Weight: Bending, points | 35 | |
| 32 |
| Strength to Weight: Axial, points | 43 to 60 | |
| 64 to 80 |
| Strength to Weight: Bending, points | 39 to 48 | |
| 50 to 57 |
| Thermal Diffusivity, mm2/s | 3.3 | |
| 3.2 |
| Thermal Shock Resistance, points | 52 to 71 | |
| 79 to 98 |
Alloy Composition
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| Aluminum (Al), % | 2.5 to 3.5 | |
| 2.5 to 3.5 |
| Carbon (C), % | 0 to 0.080 | |
| 0 to 0.050 |
| Chromium (Cr), % | 0 | |
| 2.5 to 3.5 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 to 0.015 |
| Iron (Fe), % | 0 to 0.25 | |
| 0 to 0.25 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0 to 0.050 |
| Oxygen (O), % | 0 to 0.15 | |
| 0 to 0.13 |
| Tin (Sn), % | 0 | |
| 2.5 to 3.5 |
| Titanium (Ti), % | 92.6 to 95.5 | |
| 72.6 to 78.5 |
| Vanadium (V), % | 2.0 to 3.0 | |
| 14 to 16 |
| Residuals, % | 0 to 0.4 | |
| 0 to 0.4 |