Thermal Conductivity of Common Titanium Alloys
The thermal conductivity of titanium alloys typically ranges from about 6 to 20 W/m·K, depending on the specific alloy composition and heat treatment. The table below provides a comprehensive list of thermal conductivity values for various titanium alloys at room temperature (approximately 20°C or 68°F).
Click on the icon to switch between SI (W/m·K) and Imperial (BTU/h·ft·°F) units.
| UNS number | Composition | ||
|---|---|---|---|
| Grade 1 | R50250 | 16 | |
| Grade 2 | R50400 | 16.4 | |
| Grade 3 | R50550 | 19.9 | |
| Grade 4 | R50700 | 17.2 | |
| Grade 5 | R56400 | Ti-6Al-4V | 6.7 |
| Grade 6 | R54520 | Ti-5Al-2.5Sn | 7.8 |
| Grade 7 | R52400 | Ti-0.2Pd | 16.4 |
| Grade 9 | R56320 | Ti-3Al-2.5V | 8.3 |
| Grade 10 | R58030 | Ti-11.5Mo-6Zr-4.5Sn | 6.28 |
| Grade 11 | R52250 | Ti-0.2Pd | 17 |
| Grade 12 | R53400 | Ti-0.3Mo-0.8Ni | 19 |
| Grade 18 | R56322 | Ti-3Al-2.5V-0.06Pd | 7.6 |
| Grade 19 | R58153 | Ti-8V-6Cr-4Mo-4Zr-3Al | 6.2 |
| Grade 21 | R58210 | Ti-15Mo-3Al-2.7Nb-0.25Si | 7.6 |
| Grade 23 | R56401 | Ti-6Al-4V (ELI) | 6.7 |
| Grade 32 | R55111 | Ti-5Al-1Sn-1Zr-1V-0.8Mo | 7.5 |
| Grade 35 | R56340 | 7.4 | |
| Grade 36 | R58450 | Ti-45Nb | 10 |
| Grade 38 | R54250 | 8 | |
| Timetal® 21S | R58210 | Ti-15Mo-3Nb-3Al-0.2Si | 7.6 |
| Timetal® 6-2-4-2 | R54620 | Ti-6Al-2Sn-4Z r-2Mo | 6 |
| Timetal® 6-6-2 | R56620 | Ti-6Al-6V-2Sn | 7.2 |
| Timetal® 230 | Ti-2.5Cu | 12.97 |
Related Tables
References: 1) Cardarelli, François. Materials Handbook: A Concise Desktop Reference. Switzerland: Springer International Publishing, 2018.