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| Sub-Chapter | 2006 | 2007 | 2008 | 2009 | 2010 |
| Sheet piling of iron or steel | | $1,103,537 | $620,839 | $1,311,270 | $596,741 |
| Tubes, pipes and hollow profiles, of cast iron. | | $155,569 | $7,116 | | |
| Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) ... | | $43 | $165,627 | $1,905,420 | $347,006 |
| Other tubes and pipes (for example, welded, riveted or similarly closed) | $999 | | $1,718,049 | $840,197 | $661,140 |
| Other tubes, pipes and hollow profiles | $167,241 | | $866,108 | $4,476,521 | $3,762,910 |
| Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or ... | $68,431 | $2,891,134 | $1,233,839 | $7,609,877 | $851,438 |
| Structures (excluding prefabricated buildings of heading 94.06) | | $166,847 | $2,715,806 | $6,140,812 | $2,585,707 |
| Reservoirs, tanks, vats and similar containers for any material | $45,375 | $19,201 | $816,227 | $421,020 | $490,479 |
| Tanks, casks, drums, cans, boxes and similar containers, for any material | $199,638 | $1,177,613 | $4,207,033 | $24,687,688 | $1,910,101 |
| Containers for compressed or liquefied gas, of iron or steel. | $18,549 | $92,495 | $981,165 | $3,851,209 | $74,796,777 |
| Stranded wire, ropes, cables, plaited bands, slings and the like, of iron o ... | $16,189 | $213,511 | $287,436 | | $235,018 |
| Barbed wire of iron or steel; twisted hoop or single flat wire, barbed or n ... | | | $324,654 | | |
| Cloth (including endless bands), grill, netting and fencing, of iron or ste ... | | $9,735 | | | $98,959 |
| Chain and parts thereof, of iron or steel. | | $27,567 | $75,900 | | |
| Anchors, grapnels and parts thereof, of iron or steel. | $16,463 | | | $161,077 | $13,456 |
| Nails, tacks, drawing pins, corrugated nails, staples | | | $1,601,363 | | $2,329 |
| Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter-pin ... | | | $177,307 | $11,545 | $18,556 |
| Sewing needles, knitting needles, bodkins, crochet hooks, embroidery stilet ... | | | $134,370 | | |
| Springs and leaves for springs, of iron or steel. | | | $219,854 | $22,542 | $20,647 |
| Radiators for central heating, not electrically heated, and parts thereof | | | | $1,638 | $120 |
| Table, kitchen or other household articles and parts thereof, of iron or st ... | $971,162 | $315,235 | $2,466,677 | $1,261,384 | $7,893,447 |
| Sanitary ware and parts thereof, of iron or steel. | | $98,105 | $969,574 | $153,154 | |
| Other cast articles of iron or steel. | | $88,558 | $132,685 | $298,873 | $657,716 |
| Other articles of iron or steel. | | $60,669 | $2,350,014 | $914,907 | $153,813 |
| Total | $1,504,047 | $6,419,819 | $22,071,643 | $54,069,134 | $95,096,360 |
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