81 | | | HS Code for Other common metals; cermets; works of such articles |
| 8102 | | HS Code for Molybdenum and articles thereof including waste and scrap |
| | 81029900 | Molybdenum products |
| 8103 | | HS Code for Tantalum and articles thereof including waste and scrap |
| | 81032011 | Tantalum powder bulk density less than 2.2g / cm3 of |
| | 81032019 | Other tantalum powder |
| | 81032090 | Other unwrought tantalum, including simple sintering |
| | 81033000 | Tantalum waste and scrap |
| | 81039011 | Tantalum wire of diameter less than 0.5mm |
| | 81039019 | Other tantalum wire |
| | 81039090 | Other wrought tantalum and articles thereof |
| 8104 | | HS Code for Magnesium and articles thereof including waste and scrap |
| | 81041100 | =99.8% of the magnesium content of magnesium unwrought |
| | 81041900 | Other unwrought magnesium and magnesium alloys |
| | 81042000 | Magnesium waste and scrap |
| | 81043000 | Pat fractionated magnesium filings, turnings, granules; powder |
| | 81049010 | Wrought magnesium |
| | 81049020 | Magnesium products |
| 8105 | | HS Code for Cobalt mattes and other intermediate products of cobalt metallurgy; cobalt and articles thereof including waste and scrap |
| | 81052010 | Cobalt intermediate product hydrometallurgical |
| | 81052020 | Unwrought cobalt |
| | 81052090 | The resulting cobalt and other cobalt matte smelting intermediate products, powder |
| | 81053000 | Cobalt matte waste and scrap |
| | 81059000 | Cobalt and other products |
| 8106 | | HS Code for Bismuth and articles thereof including waste and scrap |
| | 81060010 | Unwrought bismuth, scrap, powder |
| | 81060090 | Other products of bismuth and bismuth |
| 8107 | | HS Code for Cadmium and articles thereof including waste and scrap |
| | 81072000 | Unwrought cadmium, powder |
| | 81073000 | Cadmium waste and scrap |