We provide niobium seamless tube, welded tube & pipe, and Nb capillary tube. Other niobium tubular products such as niobium ring are also available on request.
Niobium metal tube and pipe
Nb tubes
Material Grade: R04200, R04210
Purity: 99.9% Niobium
| Item | Specification |
|---|---|
| OD | Φ6.0-100mm |
| WT | 0.2-5.0mm |
| Length | 200mm-8000mm |
Niobium Capillary Tube
Niobium Capillary
Grade: R04200, R04210
Purity: 99.9% Nb
| Item | Specification |
|---|---|
| Outer diameter: | Φ0.2～Φ6mm |
| Wall thickness: | T0.015～0.5mm |
| Tolerance: | Outer diameter: Φ±0.003mm Wall thickness T±0.005mm Length: L±0.05mm |
Chemical Composition for Niobium
| Composition% | ||||||||||||
| Material | Main Content | Impurities (no more than %) | ||||||||||
| Nb | Fe | Si | Ni | W | Mo | Ti | Ta | O | C | H | N | |
| R04200 | Bal | 0.004 | .004 | .002 | .005 | .005 | .002 | 0.05 | .012 | .0035 | .0012 | .003 |
| R04210 | Bal | 0.01 | .01 | .005 | .02 | .01 | .004 | 0.07 | .015 | .0050 | .0015 | .005 |
Application for Nb tube
Nb capillary tube and Nb-Zr capillary tube is often used in high pressure sodium lamp production.
