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| Sub-Chapter | 2005 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Tungsten (wolfram) and articles thereof, including waste and scrap. | | | | $3,696 | | |
| Magnesium and articles thereof, including waste and scrap. | | $46 | $22,628 | | | $6,589 |
| Cobalt mattes and other intermediate products of cobalt metallurgy | | | | | | $2,343 |
| Titanium and articles thereof, including waste and scrap. | | $3,409 | $1,508 | | | $1,308 |
| Zirconium and articles thereof, including waste and scrap. | | | $2,086 | $488 | | |
| Manganese and articles thereof, including waste and scrap. | $79 | | | | | $943 |
| Beryllium, chromium, germanium, vanadium, gallium, hafnium | | | | | $8,250 | |
| Total | $79 | $3,455 | $26,222 | $4,184 | $8,250 | $11,183 |
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