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| Sub-Chapter | 2005 | 2006 | 2008 | 2009 |
| Sheet piling of iron or steel | | | | $10,160 |
| Tubes, pipes and hollow profiles, of cast iron. | $167,905 | | | |
| Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) ... | $1,494 | | $1 | |
| Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or ... | $8,078 | $10,125 | $1 | $24,951 |
| Structures (excluding prefabricated buildings of heading 94.06) | | $261,470 | | $2,898,173 |
| Reservoirs, tanks, vats and similar containers for any material | | $336,321 | $5,715 | $129,951 |
| Tanks, casks, drums, cans, boxes and similar containers, for any material | $4,607 | $6,189 | $152,593 | $50 |
| Containers for compressed or liquefied gas, of iron or steel. | $24,014 | $150,834 | $114,432 | $93,444 |
| Barbed wire of iron or steel; twisted hoop or single flat wire, barbed or n ... | | | | $1 |
| Chain and parts thereof, of iron or steel. | | | | $300 |
| Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter-pin ... | | | | $67,336 |
| Springs and leaves for springs, of iron or steel. | | | $1 | $1 |
| Radiators for central heating, not electrically heated, and parts thereof | | $535 | | |
| Table, kitchen or other household articles and parts thereof, of iron or st ... | | $12,956 | | |
| Other articles of iron or steel. | | | $4,250 | |
| Total | $206,098 | $778,430 | $276,993 | $3,224,367 |
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