Sub-Chapter20052006200720082009
Railway or tramway track construction material of iron or steel$269,808    
Tubes, pipes and hollow profiles, of cast iron.  $187,498  
Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) ...$5,662 $23,413 $48,705
Other tubes and pipes (for example, welded, riveted or similarly closed)   $65,152 
Other tubes, pipes and hollow profiles$75,635 $115,993$152,002$182,084
Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or ...$17,019 $12,049$112,761$273,756
Structures (excluding prefabricated buildings of heading 94.06)$1,969,229 $1,722,073$3,136,553$4,640,185
Reservoirs, tanks, vats and similar containers for any material$61,142  $369,491$75,145
Tanks, casks, drums, cans, boxes and similar containers, for any material$25,198 $20,284$8,395$17,964
Containers for compressed or liquefied gas, of iron or steel.$2,318$131,652  $40,236
Stranded wire, ropes, cables, plaited bands, slings and the like, of iron o ...$30,163 $48,885$189,903$8,712
Barbed wire of iron or steel; twisted hoop or single flat wire, barbed or n ...$5,912  $122,601$2,172
Cloth (including endless bands), grill, netting and fencing, of iron or ste ...$5,310 $14,481$18,653$428
Chain and parts thereof, of iron or steel.$58,007 $1,603$8,729 
Anchors, grapnels and parts thereof, of iron or steel.    $505
Nails, tacks, drawing pins, corrugated nails, staples$121,907 $102,867$130,173$252,091
Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter-pin ...$108,266 $69,513$53,187$29,188
Springs and leaves for springs, of iron or steel.$46,810 $7,677$32,184$17,521
Stoves, ranges, grates, cookers$12,943 $25,779$7,210$29,093
Table, kitchen or other household articles and parts thereof, of iron or st ...$48,458 $95,184$210,753$79,577
Sanitary ware and parts thereof, of iron or steel.$11,176 $9,216$19,667 
Other cast articles of iron or steel.   $508 
Other articles of iron or steel.$13,447 $15,634$44,584$44,751
Total$2,888,410$131,652$2,472,149$4,682,506$5,742,113