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| Sub-Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sheet piling of iron or steel | $10,504 | | | $1,457 | $1,954 | $16,752 | |
| Railway or tramway track construction material of iron or steel | $190 | $1,346,560 | $2,406 | $1,535,273 | $29,207 | | |
| Tubes, pipes and hollow profiles, of cast iron. | $11,999 | $23,681 | $54,593 | $1,117 | | $212 | $2,433 |
| Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) ... | $74,233 | $92,142 | $70,532 | $192,472 | $165,726 | $1,718,627 | $776,919 |
| Other tubes and pipes (for example, welded, riveted or similarly closed) | $1,456 | | $11,752 | $74,360 | $130,351 | $66,927 | $38,374 |
| Other tubes, pipes and hollow profiles | $442,315 | $687,223 | $963,782 | $2,993,334 | $3,003,093 | $3,176,023 | $5,955,368 |
| Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or ... | $14,772 | $105,290 | $130,943 | $177,691 | $272,924 | $107,096 | $519,209 |
| Structures (excluding prefabricated buildings of heading 94.06) | $544,890 | $1,028,478 | $3,478,823 | $1,784,752 | $2,391,772 | $4,494,784 | $1,139,633 |
| Reservoirs, tanks, vats and similar containers for any material | $74,001 | $40,610 | $406,737 | $613,838 | $264,358 | $573,083 | $276,711 |
| Tanks, casks, drums, cans, boxes and similar containers, for any material | $779,528 | $832,772 | $850,696 | $973,577 | $227,786 | $50,743 | $88,954 |
| Containers for compressed or liquefied gas, of iron or steel. | $1,402,803 | $1,552,658 | $3,084,914 | $2,139,060 | $2,596,764 | $2,322,726 | $2,048,692 |
| Stranded wire, ropes, cables, plaited bands, slings and the like, of iron o ... | $138,818 | $335,217 | $290,850 | $234,813 | $48,331 | $69,264 | $48,023 |
| Barbed wire of iron or steel; twisted hoop or single flat wire, barbed or n ... | $3,711 | $4,033 | $13,074 | $1,345 | $286 | $17,512 | $13,412 |
| Cloth (including endless bands), grill, netting and fencing, of iron or ste ... | $287,461 | $137,883 | $59,852 | $224,334 | $178,175 | $92,709 | $330,403 |
| Chain and parts thereof, of iron or steel. | $7,672 | $46,814 | $15,769 | $133,011 | $51,728 | $17,967 | |
| Anchors, grapnels and parts thereof, of iron or steel. | | | $5,573 | $3,059 | $67,095 | $4,689 | |
| Nails, tacks, drawing pins, corrugated nails, staples | $157,077 | $88,809 | $83,991 | $112,644 | $66,676 | $19,097 | $44,034 |
| Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter-pin ... | $70,646 | $131,996 | $255,551 | $192,232 | $84,102 | $191,500 | $128,349 |
| Sewing needles, knitting needles, bodkins, crochet hooks, embroidery stilet ... | $190 | | | | | | $2,687 |
| Springs and leaves for springs, of iron or steel. | $2,389 | $1,354 | $2,389 | $2,995 | $7,356 | $10,750 | $3,065 |
| Stoves, ranges, grates, cookers | $262,529 | $136,037 | $291,267 | $179,471 | $194,340 | $749,007 | $321,846 |
| Radiators for central heating, not electrically heated, and parts thereof | $228 | $825 | $4,012 | $135 | | | $11,292 |
| Table, kitchen or other household articles and parts thereof, of iron or st ... | $270,801 | $340,345 | $181,298 | $876,285 | $317,528 | $82,918 | $119,856 |
| Sanitary ware and parts thereof, of iron or steel. | $3,011 | $3,302 | $2,851 | $7,881 | | $93,851 | $6,940 |
| Other cast articles of iron or steel. | $39,798 | $24,055 | $32,587 | $138,944 | $68,800 | $5,137 | $114,203 |
| Other articles of iron or steel. | $352,175 | $714,674 | $731,010 | $474,179 | $832,266 | $410,155 | $388,068 |
| Total | $4,953,197 | $7,674,758 | $11,025,252 | $13,068,259 | $11,000,618 | $14,291,529 | $12,378,471 |
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