| Class | Class Name |
|---|---|
| 6 | titanium |
| 6 | titanium iron |
| 6 | tomb slabs of metal |
| 6 | tombac |
| 6 | tombs of metal |
| 6 | tombstone plaques of metal |
| 6 | tombstone stelae of metal |
| 6 | tool boxes of common metal |
| 6 | tool boxes of metal, empty |
| 6 | tool chests of metal, empty |
| 6 | towel dispensers, fixed, of metal |
| 6 | trackside railroad signals in the nature of non-luminous and non-mechanical metal signs |
| 6 | transport containers of metal |
| 6 | transport pallets of metal |
| 6 | transportable buildings made of metal, as movable pavilions and exhibition stands |
| 6 | transportable buildings of metal |
| 6 | transportable constructions of metal |
| 6 | transportable greenhouses of metal |
| 6 | traps for wild animals |
| 6 | trays of metal |
| 6 | tree grilles of metal |
| 6 | tree protectors of metal |
| 6 | trellis of metal |
| 6 | troughs of metal for mixing mortar |
| 6 | tubbing of metal |
| 6 | tube fittings made of common metal or alloys thereof for use in air conditioning |
| 6 | tube fittings made of common metal or alloys thereof for use in gas supply |
| 6 | tube fittings made of common metal or alloys thereof for use in heating |
| 6 | tube fittings made of common metal or alloys thereof for use in refrigeration installations |
| 6 | tube fittings made of common metal or alloys thereof for use in water supply |
| 6 | tube fittings of metals |
| 6 | tubes and valves of metal (other than parts of machines) |
| 6 | tubes for jointing made from brass |
| 6 | tubes of metal |
| 6 | tubing of metal |
| 6 | tumblers of metal |
| 6 | tumblers of metal [parts of locks] |
| 6 | tungsten |
| 6 | tungsten iron |
| 6 | turnstiles of metal |
| 6 | turntables [railways] |
| 6 | unprocessed or semi-processed steel materials |
| 6 | unwrought aluminium |
| 6 | unwrought iron |
| 6 | unwrought or semi-wrought common metals |
| 6 | unwrought or semi-wrought steel |
| 6 | upright signboards of metal |
| 6 | valves (manual) of metal for regulating fluid flow |
| 6 | valves of metal, other than parts of machines |
| 6 | vanadium |
