| 81.02 | | Molybdenum and articles thereof, including waste and scrap |
| 8102.94 | 000 | Unwrought molybdenum, including bars and rods obtained simply by sintering |
| 8102.95 | 000 | Bars and rods, other than those obtained simply by sintering, profiles, plates, sheets, strip and foil |
| 8102.96 | 000 | Wire |
| 81.03 | | Tantalum and articles thereof, including waste and scrap |
| 8103.20 | 000 | Unwrought tantalum, including bars and rods obtained simply by sintering; powders |
| 81.04 | | Magnesium and articles thereof, including waste and scrap |
| 81.04 | | Unwrought magnesium |
| 8104.11 | | Containing at least 99.8% by weight of magnesium |
| 8104.11 | 030 | - Not more than 670yen/kg in value for customs duty |
| 8104.11 | 090 | - More than 670yen/kg in value for customs duty |
| 8104.19 | 030 | - Not more than 670yen/kg in value for customs duty |
| 8104.19 | 090 | - More than 670yen/kg in value for customs duty |
| 8104.30 | 000 | Raspings, turnings and granules, graded according to size; powders |
| 81.05 | | Cobalt mattes and other intermediate products of cobalt metallurgy; cobalt and articles thereof, including waste and scrap |
| 8105.20 | 000 | Cobalt mattes and other intermediate products of cobalt metallurgy; unwrought cobalt; powders |
| 8106.00 | 000 | Bismuth and articles thereof, including waste and scrap |
| 81.07 | | Cadmium and articles thereof, including waste and scrap |
| 8107.20 | 000 | Unwrought cadmium; powders |
| 81.08 | | Titanium and articles thereof, including waste and scrap |
| 8108.20 | | Unwrought titanium; powders |
| 8108.20 | 010 | 1 Titanium-niobium alloys |
| 8108.30 | 010 | 1 Titanium-niobium alloys |