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| Sub-Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sheet piling of iron or steel | $1,606,143 | $3,055,788 | $291,446 | $2,271 | $50,275 | $132,736 | $3,601,191 |
| Railway or tramway track construction material of iron or steel | $1,895,472 | $3,254,860 | $3,325,401 | $2,026,060 | $305,362 | $6,424,426 | $45,403,924 |
| Tubes, pipes and hollow profiles, of cast iron. | $6,977,789 | $283,924 | $215,723 | $98,521 | $280,827 | $796,580 | $2,525,002 |
| Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) ... | $344,623 | $500,942 | $3,201,478 | $1,770,643 | $4,149,018 | $3,227,663 | $4,830,067 |
| Other tubes and pipes (for example, welded, riveted or similarly closed) | $373,880 | $113,995 | $241,376 | $117,850 | $230,029 | $393,637 | $3,694,276 |
| Other tubes, pipes and hollow profiles | $341,136 | $2,504,614 | $1,100,440 | $867,515 | $902,551 | $1,105,019 | $6,487,635 |
| Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or ... | $447,033 | $305,418 | $514,242 | $162,290 | $413,721 | $168,363 | $891,049 |
| Structures (excluding prefabricated buildings of heading 94.06) | $2,602,633 | $4,802,228 | $3,761,170 | $11,313,969 | $14,221,259 | $9,026,868 | $27,339,367 |
| Reservoirs, tanks, vats and similar containers for any material | $653,328 | $335,194 | $611,027 | $453,120 | $89,832 | $341,711 | $1,169,623 |
| Tanks, casks, drums, cans, boxes and similar containers, for any material | $54,106 | $202,845 | $917,076 | $70,384 | $198,048 | $97,178 | $183,174 |
| Containers for compressed or liquefied gas, of iron or steel. | $304,726 | $1,025,671 | $1,528,297 | $744,669 | $485,786 | $822,378 | $1,440,355 |
| Stranded wire, ropes, cables, plaited bands, slings and the like, of iron o ... | $2,957,670 | $3,114,961 | $1,617,715 | $1,612,962 | $1,428,218 | $1,358,812 | $881,438 |
| Barbed wire of iron or steel; twisted hoop or single flat wire, barbed or n ... | $41,878 | | $57,389 | $169,927 | $30,650 | $9,939 | $15,933 |
| Cloth (including endless bands), grill, netting and fencing, of iron or ste ... | $927,891 | $1,190,806 | $1,327,010 | $1,405,642 | $890,046 | $1,723,386 | $2,991,480 |
| Chain and parts thereof, of iron or steel. | $72,977 | $322,888 | $263,564 | $867,562 | $171,492 | $680,205 | $275,650 |
| Anchors, grapnels and parts thereof, of iron or steel. | | | | | $3,906 | $8,817 | |
| Nails, tacks, drawing pins, corrugated nails, staples | $206,478 | $110,573 | $70,606 | $79,109 | $121,667 | $100,390 | $127,187 |
| Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter-pin ... | $2,927,562 | $2,838,981 | $1,559,097 | $1,528,168 | $1,191,552 | $1,128,974 | $5,375,469 |
| Sewing needles, knitting needles, bodkins, crochet hooks, embroidery stilet ... | $28,589 | | | $19,149 | $1,742 | $10,503 | $3,205 |
| Springs and leaves for springs, of iron or steel. | $202,000 | $434,477 | $121,577 | $133,112 | $88,760 | $12,446 | $2,550 |
| Stoves, ranges, grates, cookers | $536,522 | $305,790 | $303,844 | $207,814 | $192,211 | $196,833 | $303,457 |
| Radiators for central heating, not electrically heated, and parts thereof | $28,262 | $6,963 | $31,334 | $16,364 | $18,261 | | |
| Table, kitchen or other household articles and parts thereof, of iron or st ... | $299,484 | $352,834 | $348,800 | $198,192 | $147,784 | $114,822 | $463,760 |
| Sanitary ware and parts thereof, of iron or steel. | $26,701 | $67,701 | $18,479 | $148,415 | $168 | $18,018 | $18,421 |
| Other cast articles of iron or steel. | $142,888 | $76,166 | $460,058 | $20,749 | $1,662,402 | $250,774 | $1,499,953 |
| Other articles of iron or steel. | $2,291,322 | $2,698,544 | $2,186,243 | $4,992,894 | $4,614,320 | $6,469,361 | $4,111,385 |
| Total | $26,291,093 | $27,906,163 | $24,073,392 | $29,027,351 | $31,889,887 | $34,619,839 | $113,635,551 |
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