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| Sub-Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Tungsten (wolfram) and articles thereof, including waste and scrap. | | | $143 | | | $959 | $1,165 |
| Molybdenum and articles thereof, including waste and scrap. | | | | $43,806 | $44,643 | $1,631 | |
| Tantalum and articles thereof, including waste and scrap. | | | | | | $573 | |
| Magnesium and articles thereof, including waste and scrap. | | $4,240 | | $7,197 | | $79 | |
| Cadmium and articles thereof, including waste and scrap. | $1,384 | | | | $1,957 | | |
| Beryllium, chromium, germanium, vanadium, gallium, hafnium | | | | $2,413 | $68 | | $255 |
| Cermets and articles thereof, including waste and scrap. | | | | | $298 | | |
| Total | $1,384 | $4,240 | $143 | $53,416 | $46,966 | $3,242 | $1,420 |
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