2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $50,000,000 $100,000,000 $150,000,000 $200,000,000 $250,000,000 $300,000,000 $350,000,000
| Sub-Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sheet piling of iron or steel | $8,069 | $478,690 | $779 | $299,693 | $226,880 | $235,741 | $128,119 |
| Railway or tramway track construction material of iron or steel | $22,983 | $221,687 | $26,933 | $326,516 | $4,522 | $61,093 | $24,102 |
| Tubes, pipes and hollow profiles, of cast iron. | $1,900 | $25,132 | $34,181 | $84,290 | $85,770 | $24,045 | $150,944 |
| Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) ... | $1,048 | $11,679,685 | $556,790 | $380,237 | | $1,807,814 | $34,876,434 |
| Other tubes and pipes (for example, welded, riveted or similarly closed) | | | $25,180 | $779,132 | | $19,916 | $2,502 |
| Other tubes, pipes and hollow profiles | $6,981,501 | $3,981,852 | $4,464,395 | $1,991,607 | $8,449,959 | $21,058,603 | $37,027,116 |
| Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or ... | $9,924,863 | $34,224,493 | $65,291,747 | $56,872,139 | $40,447,075 | $39,648,596 | $62,336,541 |
| Structures (excluding prefabricated buildings of heading 94.06) | $20,855,453 | $30,412,893 | $51,583,650 | $23,028,429 | $18,435,351 | $26,658,347 | $13,267,170 |
| Reservoirs, tanks, vats and similar containers for any material | $1,707,098 | $567,492 | $912,422 | $870,210 | $869,228 | $1,487,254 | $2,286,026 |
| Tanks, casks, drums, cans, boxes and similar containers, for any material | $4,924,148 | $5,169,647 | $6,204,919 | $6,790,403 | $12,105,708 | $18,415,706 | $898,277 |
| Containers for compressed or liquefied gas, of iron or steel. | $2,267,266 | $939,396 | $34,829 | $69,857 | $181,540 | $303,909 | $194,709 |
| Stranded wire, ropes, cables, plaited bands, slings and the like, of iron o ... | $325,745 | $422,111 | $1,237,195 | $2,214,686 | $1,217,608 | $375,928 | $603,306 |
| Barbed wire of iron or steel; twisted hoop or single flat wire, barbed or n ... | | $1,699 | $128,740 | | | | |
| Cloth (including endless bands), grill, netting and fencing, of iron or ste ... | $47,711 | $41,458 | $498,104 | $2,485 | $214,774 | $84,278 | $79,450 |
| Chain and parts thereof, of iron or steel. | $249,777 | $1,330,179 | $407,329 | $200,969 | $156,058 | $115,997 | $61,119 |
| Anchors, grapnels and parts thereof, of iron or steel. | $1,464 | $29,001 | $91,751 | $182,034 | $7,332 | | |
| Nails, tacks, drawing pins, corrugated nails, staples | $90,506 | $2,914 | $41,745 | $79,551 | $18,821 | $54,727 | $20,057 |
| Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter-pin ... | $5,464,265 | $34,482,827 | $71,615,555 | $71,662,372 | $45,377,117 | $113,773,136 | $113,463,500 |
| Sewing needles, knitting needles, bodkins, crochet hooks, embroidery stilet ... | $33,429 | $386,446 | $418,706 | $313,986 | $43,855 | $8,797 | $3,408 |
| Springs and leaves for springs, of iron or steel. | $352,396 | $471,365 | $844,091 | $120,543 | $10,212 | $14,023 | $172,972 |
| Stoves, ranges, grates, cookers | $223,575 | $140,010 | $73,589 | $64,468 | $43,102 | $10,299 | $17,822 |
| Radiators for central heating, not electrically heated, and parts thereof | | $424 | $17,914 | $28,475 | $160 | $100 | $26,850 |
| Table, kitchen or other household articles and parts thereof, of iron or st ... | $1,178,519 | $597,380 | $935,430 | $345,381 | $830,751 | $261,694 | $1,053,005 |
| Sanitary ware and parts thereof, of iron or steel. | $4,913 | $11,240 | $470,157 | $343,555 | $4,032,615 | $68,355 | $13,500 |
| Other cast articles of iron or steel. | $3,234,893 | $7,318,105 | $6,984,527 | $6,910,768 | $3,890,471 | $7,517,348 | $9,398,530 |
| Other articles of iron or steel. | $38,984,519 | $47,674,557 | $45,601,467 | $36,596,260 | $35,857,848 | $44,486,480 | $37,179,529 |
| Total | $96,886,041 | $180,610,683 | $258,502,125 | $210,558,046 | $172,506,757 | $276,492,186 | $313,284,988 |
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