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| Sub-Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2011 |
| Tungsten (wolfram) and articles thereof, including waste and scrap. | $377 | | $1,914 | $9,977 | $375 | |
| Molybdenum and articles thereof, including waste and scrap. | | $1 | $36 | $149 | | |
| Tantalum and articles thereof, including waste and scrap. | | $6 | | $65 | | |
| Magnesium and articles thereof, including waste and scrap. | | | | $114 | | $83 |
| Cobalt mattes and other intermediate products of cobalt metallurgy | | | | $1,940 | | |
| Titanium and articles thereof, including waste and scrap. | | $9,827 | | | $1,699 | |
| Zirconium and articles thereof, including waste and scrap. | | | | | | $83 |
| Manganese and articles thereof, including waste and scrap. | | | $312 | | | |
| Beryllium, chromium, germanium, vanadium, gallium, hafnium | | $8 | | $3,872 | $36 | |
| Cermets and articles thereof, including waste and scrap. | | | $1,591 | | | $26 |
| Total | $377 | $9,842 | $3,853 | $16,117 | $2,110 | $192 |
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