Grade 20 Titanium vs. Grade 19 Titanium
Both grade 20 titanium and grade 19 titanium are titanium alloys. Their average alloy composition is basically identical. There are 26 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is grade 20 titanium and the bottom bar is grade 19 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 120 |
| Elongation at Break, % | 5.7 to 17 | |
| 5.6 to 17 |
| Fatigue Strength, MPa | 550 to 630 | |
| 550 to 620 |
| Poisson's Ratio | 0.32 | |
| 0.32 |
| Reduction in Area, % | 23 | |
| 22 |
| Shear Modulus, GPa | 47 | |
| 47 |
| Shear Strength, MPa | 560 to 740 | |
| 550 to 750 |
| Tensile Strength: Ultimate (UTS), MPa | 900 to 1270 | |
| 890 to 1300 |
| Tensile Strength: Yield (Proof), MPa | 850 to 1190 | |
| 870 to 1170 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 370 | |
| 370 |
| Melting Completion (Liquidus), °C | 1660 | |
| 1660 |
| Melting Onset (Solidus), °C | 1600 | |
| 1600 |
| Specific Heat Capacity, J/kg-K | 520 | |
| 520 |
| Thermal Expansion, µm/m-K | 9.6 | |
| 9.1 |
Otherwise Unclassified Properties
| Density, g/cm3 | 5.0 | |
| 5.0 |
| Embodied Carbon, kg CO2/kg material | 52 | |
| 47 |
| Embodied Energy, MJ/kg | 860 | |
| 760 |
| Embodied Water, L/kg | 350 | |
| 230 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 71 to 150 | |
| 70 to 150 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 2940 to 5760 | |
| 3040 to 5530 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 33 | |
| 33 |
| Strength to Weight: Axial, points | 50 to 70 | |
| 49 to 72 |
| Strength to Weight: Bending, points | 41 to 52 | |
| 41 to 53 |
| Thermal Shock Resistance, points | 55 to 77 | |
| 57 to 83 |
Alloy Composition
| Aluminum (Al), % | 3.0 to 4.0 | |
| 3.0 to 4.0 |
| Carbon (C), % | 0 to 0.050 | |
| 0 to 0.050 |
| Chromium (Cr), % | 5.5 to 6.5 | |
| 5.5 to 6.5 |
| Hydrogen (H), % | 0 to 0.020 | |
| 0 to 0.020 |
| Iron (Fe), % | 0 to 0.3 | |
| 0 to 0.3 |
| Molybdenum (Mo), % | 3.5 to 4.5 | |
| 3.5 to 4.5 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0 to 0.030 |
| Oxygen (O), % | 0 to 0.12 | |
| 0 to 0.12 |
| Palladium (Pd), % | 0.040 to 0.080 | |
| 0 |
| Titanium (Ti), % | 71 to 77 | |
| 71.1 to 77 |
| Vanadium (V), % | 7.5 to 8.5 | |
| 7.5 to 8.5 |
| Zirconium (Zr), % | 3.5 to 4.5 | |
| 3.5 to 4.5 |
| Residuals, % | 0 | |
| 0 to 0.4 |