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| Sub-Chapter | 2005 | 2006 | 2008 | 2009 | 2010 | 2011 |
| Sheet piling of iron or steel | $783,153 | $689,343 | $717,347 | $30,472 | | |
| Railway or tramway track construction material of iron or steel | $71,237 | $6,962,361 | $1,406 | $64,393 | $4,498 | $305,516 |
| Tubes, pipes and hollow profiles, of cast iron. | $439,130 | $39,739 | $242,145 | $151,799 | $107,854 | $64,279 |
| Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) ... | $341,525 | $14,802 | $844,089 | $1,565,502 | $346,196 | $148,311 |
| Other tubes and pipes (for example, welded, riveted or similarly closed) | $122,315 | $239,676 | $66,407 | $19,197 | $237,386 | $29,396 |
| Other tubes, pipes and hollow profiles | $59,240,643 | $22,897,432 | $43,434,675 | $8,120,041 | $6,146,162 | $357,427 |
| Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or ... | $1,361,232 | $1,098,954 | $2,072,165 | $2,178,968 | $2,933,623 | $855,898 |
| Structures (excluding prefabricated buildings of heading 94.06) | $37,788,845 | $18,426,485 | $29,843,107 | $6,837,986 | $15,703,462 | $5,305,810 |
| Reservoirs, tanks, vats and similar containers for any material | $1,830,682 | $1,008,909 | $261,091 | $451,524 | $4,261,981 | $145,922 |
| Tanks, casks, drums, cans, boxes and similar containers, for any material | $5,187,974 | $1,166,963 | $3,754,835 | $364,374 | $149,648 | $28,543 |
| Containers for compressed or liquefied gas, of iron or steel. | $7,031,342 | $1,551,329 | $3,078,265 | $1,109,722 | $4,837,401 | $1,730,888 |
| Stranded wire, ropes, cables, plaited bands, slings and the like, of iron o ... | $423,560 | $43,820 | $708,365 | $460,702 | $6,673 | $15,294 |
| Barbed wire of iron or steel; twisted hoop or single flat wire, barbed or n ... | $4,905,932 | $1,244,428 | $3,582,007 | $2,144,080 | $386,395 | $1,379,939 |
| Cloth (including endless bands), grill, netting and fencing, of iron or ste ... | $4,376,588 | $754,388 | $623,883 | $207,023 | $35,461 | $34,563 |
| Chain and parts thereof, of iron or steel. | $26,081 | $2,825 | $7,980 | $311,770 | $9,624 | $3,233 |
| Anchors, grapnels and parts thereof, of iron or steel. | $193 | $4,000 | | $34,037 | | $4,688 |
| Nails, tacks, drawing pins, corrugated nails, staples | $208,389 | $1,961 | $27,649 | $317,877 | $29,546 | $3,366 |
| Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter-pin ... | $1,793,549 | $229,429 | $260,572 | $134,534 | $146,197 | $84,963 |
| Sewing needles, knitting needles, bodkins, crochet hooks, embroidery stilet ... | $3,476 | $93 | $20 | $48 | $38,555 | |
| Springs and leaves for springs, of iron or steel. | $2,052,095 | $160,929 | $713,477 | $67,768 | $17,746 | $94,396 |
| Stoves, ranges, grates, cookers | $110,579 | $20,055 | $190,536 | $263,417 | $194,362 | $90,455 |
| Radiators for central heating, not electrically heated, and parts thereof | $8,604 | | $21,143 | | | $5,523 |
| Table, kitchen or other household articles and parts thereof, of iron or st ... | $93,990 | $37,674 | $1,249,114 | $60,954 | $40,154 | $63,537 |
| Sanitary ware and parts thereof, of iron or steel. | $1,140,457 | $237,860 | $1,141,153 | $418,017 | $891,018 | $23,345 |
| Other cast articles of iron or steel. | $1,975,402 | $298,073 | $859,325 | $638,969 | $200,992 | $159,405 |
| Other articles of iron or steel. | $9,435,857 | $7,293,897 | $7,392,863 | $4,986,293 | $2,886,739 | $3,062,935 |
| Total | $140,752,830 | $64,425,425 | $101,093,619 | $30,939,467 | $39,611,673 | $13,997,632 |
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