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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Roller chain of iron/steel | $34,533 | $26,783 | $30,436 | $28,994 | $22,229 | $9,749 |
| Articulated link chain other than roller chain, of iron/steel | $38,934 | $38,424 | $14,558 | $73,394 | $16,392 | $42,002 |
| Parts of articulated link chain of iron/steel | $11,652 | $16,901 | $3,142 | $1 | $882 | |
| Skid chain of iron/steel | | | $3 | | | $2,755 |
| Stud-link chain of iron/steel | $41 | $37,446 | $16,999 | $94,378 | | $9,457 |
| Welded link chain of iron/steel | $82,232 | $74,557 | $79,821 | $34,057 | $44,408 | $101,913 |
| Chain, of iron/steel, n.e.s. in 73.15 | $251,148 | $156,967 | $383,282 | $414,968 | $77,646 | $247,114 |
| Parts of chains (excl. articulated link chain), of iron/steel | $53,355 | $39,553 | $25,550 | $33,847 | $4,919 | $3,960 |
| Total | $471,895 | $390,631 | $553,791 | $679,639 | $166,476 | $416,950 |
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