| Purity | 99.95% |
| Density | 19.2cm³/g |
| Melting point | 3400℃ |
| Boiling point | 5972℃ |
| Grade | W-1 |
| National standard | YS/T 796-2012 |
| American Standard | |
| Surface | Electrolytic polishing |
Tungsten tubes are mainly used in thermocouple protection tubes in high-temperature furnaces, sapphire single crystal furnaces, and supports in high-temperature sintering furnaces.
Tungsten tubes are mainly used in the medical industry, aerospace industry, metal manufacturing and other fields.