Grade 20 Titanium vs. Titanium 15-3-3-3
Both grade 20 titanium and titanium 15-3-3-3 are titanium alloys. They have 88% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is grade 20 titanium and the bottom bar is titanium 15-3-3-3.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 100 |
| Elongation at Break, % | 5.7 to 17 | |
| 5.7 to 8.0 |
| Fatigue Strength, MPa | 550 to 630 | |
| 610 to 710 |
| Poisson's Ratio | 0.32 | |
| 0.33 |
| Shear Modulus, GPa | 47 | |
| 39 |
| Shear Strength, MPa | 560 to 740 | |
| 660 to 810 |
| Tensile Strength: Ultimate (UTS), MPa | 900 to 1270 | |
| 1120 to 1390 |
| Tensile Strength: Yield (Proof), MPa | 850 to 1190 | |
| 1100 to 1340 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 390 |
| Maximum Temperature: Mechanical, °C | 370 | |
| 430 |
| Melting Completion (Liquidus), °C | 1660 | |
| 1620 |
| Melting Onset (Solidus), °C | 1600 | |
| 1560 |
| Specific Heat Capacity, J/kg-K | 520 | |
| 520 |
| Thermal Expansion, µm/m-K | 9.6 | |
| 9.8 |
Otherwise Unclassified Properties
| Density, g/cm3 | 5.0 | |
| 4.8 |
| Embodied Carbon, kg CO2/kg material | 52 | |
| 59 |
| Embodied Energy, MJ/kg | 860 | |
| 950 |
| Embodied Water, L/kg | 350 | |
| 260 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 71 to 150 | |
| 78 to 89 |
| Stiffness to Weight: Axial, points | 14 | |
| 12 |
| Stiffness to Weight: Bending, points | 33 | |
| 32 |
| Strength to Weight: Axial, points | 50 to 70 | |
| 64 to 80 |
| Strength to Weight: Bending, points | 41 to 52 | |
| 50 to 57 |
| Thermal Shock Resistance, points | 55 to 77 | |
| 79 to 98 |
Alloy Composition
| Aluminum (Al), % | 3.0 to 4.0 | |
| 2.5 to 3.5 |
| Carbon (C), % | 0 to 0.050 | |
| 0 to 0.050 |
| Chromium (Cr), % | 5.5 to 6.5 | |
| 2.5 to 3.5 |
| Hydrogen (H), % | 0 to 0.020 | |
| 0 to 0.015 |
| Iron (Fe), % | 0 to 0.3 | |
| 0 to 0.25 |
| Molybdenum (Mo), % | 3.5 to 4.5 | |
| 0 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0 to 0.050 |
| Oxygen (O), % | 0 to 0.12 | |
| 0 to 0.13 |
| Palladium (Pd), % | 0.040 to 0.080 | |
| 0 |
| Tin (Sn), % | 0 | |
| 2.5 to 3.5 |
| Titanium (Ti), % | 71 to 77 | |
| 72.6 to 78.5 |
| Vanadium (V), % | 7.5 to 8.5 | |
| 14 to 16 |
| Zirconium (Zr), % | 3.5 to 4.5 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.4 |