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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2011 |
| Roller chain of iron/steel | $71,327 | $2,285 | $3,498 | $60,366 | $10,962 | $153,917 |
| Articulated link chain other than roller chain, of iron/steel | $44,971 | $69,384 | $50,724 | $316,759 | $74,389 | $132,310 |
| Parts of articulated link chain of iron/steel | $28 | $1,199 | $516 | $8,630 | $30,780 | $622 |
| Skid chain of iron/steel | $1,024 | $467 | $733 | $487 | $1,235 | $28,259 |
| Stud-link chain of iron/steel | $102 | $1,674 | $8,739 | $47,194 | $18,855 | $1,283 |
| Welded link chain of iron/steel | | $6,231 | $1,056 | $88,483 | $19,705 | $5,935 |
| Chain, of iron/steel, n.e.s. in 73.15 | $7,512 | $1,758 | $10,062 | $22,493 | $8,127 | $75,661 |
| Parts of chains (excl. articulated link chain), of iron/steel | $90 | $12 | $7,420 | $6,514 | $78,557 | $28 |
| Total | $125,054 | $83,010 | $82,748 | $550,926 | $242,610 | $398,015 |
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