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| Sub-Chapter | 2005 | 2006 | 2007 | 2011 |
| Tubes, pipes and hollow profiles, of cast iron. | | $2,690 | $471 | |
| Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) ... | $3,467 | $51,116 | $6,100 | |
| Other tubes and pipes (for example, welded, riveted or similarly closed) | | $392 | $887 | |
| Other tubes, pipes and hollow profiles | $393 | $2,016 | $809 | |
| Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or ... | $2,234 | $6,114 | $6,681 | |
| Structures (excluding prefabricated buildings of heading 94.06) | $595,268 | $352,072 | $195,960 | |
| Reservoirs, tanks, vats and similar containers for any material | $5,759 | $143,804 | $188 | |
| Tanks, casks, drums, cans, boxes and similar containers, for any material | $147,964 | $23,491 | $2,526 | |
| Containers for compressed or liquefied gas, of iron or steel. | $20,079 | $47,774 | $82,940 | |
| Stranded wire, ropes, cables, plaited bands, slings and the like, of iron o ... | $41,963 | $24,410 | $34,457 | $61 |
| Barbed wire of iron or steel; twisted hoop or single flat wire, barbed or n ... | $3,808 | $5,232 | $4,666 | |
| Cloth (including endless bands), grill, netting and fencing, of iron or ste ... | $309 | $4,364 | $1,447 | |
| Chain and parts thereof, of iron or steel. | $19,790 | $15,372 | $6,296 | |
| Anchors, grapnels and parts thereof, of iron or steel. | $164 | $664 | $698 | |
| Nails, tacks, drawing pins, corrugated nails, staples | $4,118 | $6,302 | $4,837 | |
| Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter-pin ... | $7,585 | $21,308 | $19,286 | |
| Sewing needles, knitting needles, bodkins, crochet hooks, embroidery stilet ... | $7,397 | $6,110 | $8,534 | |
| Springs and leaves for springs, of iron or steel. | $277 | $246 | $2,150 | |
| Stoves, ranges, grates, cookers | | $2,636 | | |
| Radiators for central heating, not electrically heated, and parts thereof | $30 | $111 | $13 | |
| Table, kitchen or other household articles and parts thereof, of iron or st ... | $400 | $6,762 | $20,423 | |
| Sanitary ware and parts thereof, of iron or steel. | $15 | $21 | | |
| Other cast articles of iron or steel. | $3,869 | $1,477 | | |
| Other articles of iron or steel. | $44,792 | $60,211 | $112,432 | $28 |
| Total | $909,681 | $784,695 | $511,801 | $89 |
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