XV | | | | | base metals and articles of base metal |
| 81 | | | | other base metals; cermets; articles thereof |
| | | 811292 | | Unwrought niobium "columbium", gallium, indium, vanadium and germanium; powders and waste and scrap of these metals (excl. ash and residues) |
| | | | 81129291 | Unwrought vanadium; vanadium powders (excl. ash and residues containing vanadium) |
| | | | 81129295 | Unwrought germanium; germanium powders |
| | | 811299 | | Articles of niobium "columbium", gallium, indium, vanadium and germanium, n.e.s. |
| | | | 81129940 | Articles of germanium, n.e.s. |
| | | | 81129950 | Articles of niobium "columbium", n.e.s. |
| | | | 81129970 | Articles of gallium, indium and vanadium, n.e.s. |
| | | 811300 | | Cermets and articles thereof, n.e.s.; waste and scrap of cermets (excl. ash and residues containing cermets) |
| | | | 81130020 | Unwrought cermets |
| | | | 81130040 | Waste and scrap of cermets (excl. ashes and residues containing cermets) |
| | | | 81130090 | Articles of cermets, n.e.s. |