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| Sub-Chapter | 2005 | 2006 | 2008 | 2009 | 2010 | 2011 |
| Tungsten (wolfram) and articles thereof, including waste and scrap. | $2,368 | $774 | | $111 | $102 | |
| Molybdenum and articles thereof, including waste and scrap. | | | | | | $4 |
| Magnesium and articles thereof, including waste and scrap. | $881 | | $1,124 | $2,408 | | |
| Cobalt mattes and other intermediate products of cobalt metallurgy | | | $1,621 | | | |
| Titanium and articles thereof, including waste and scrap. | $30 | $210 | $10,000 | | | |
| Zirconium and articles thereof, including waste and scrap. | $659 | | | | | |
| Beryllium, chromium, germanium, vanadium, gallium, hafnium | | | | $305 | | |
| Total | $3,938 | $984 | $12,745 | $2,824 | $102 | $4 |
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