| 7307.99.30 | 00 | Of alloy steel (except stainless steel) | kg | 3.2% | Free (A,AU,BH,CA, CL,E,IL,J,JO,MA, MX,P,SG) | 33% |
| 7307.99.50 | 15 | Of iron or nonalloy steel: | | | | |
| 7307.99.50 | 15 | Nipples | kg | | | |
| 7307.99.50 | 60 | Of alloy steel (except stainless steel) | kg | | | |
| 7308 | | Structures (excluding prefabricated buildings of heading 9406) and parts of structures (for example, bridges and bridge sections, lock gates, towers, lattice masts, roofs, roofing frameworks, doors and windows and their frames and thresholds for doors, shutters, balustrades, pillars and columns) of iron or steel; plates, rods, angles, shapes, sections, tubes and the like, prepared for use in structures, of iron or steel: | | | | |
| 7308.10.00 | 00 | Bridges and bridge sections | kg | Free | | 45% |
| 7308.20.00 | 00 | Towers and lattice masts | kg | Free | | 45% |
| 7308.30 | | Doors, windows and their frames and thresholds for doors: | | | | |
| 7308.30.10 | 00 | Of stainless steel | kg | Free | | 35% |
| 7308.30.50 | 15 | Windows and their frames | kg | | | |
| 7308.40.00 | 00 | Equipment for scaffolding, shuttering, propping or pit- propping | kg | Free | | 45% |
| 7308.90.30 | 00 | Columns, pillars, posts, beams, girders and similar structural units: | | | | |
| 7308.90.30 | 00 | Not in part of alloy steel | kg | Free | | 20% |
| 7308.90.70 | 00 | Steel grating | kg | Free | | 45% |
| 7308.90.95 | 30 | Sheet-metal roofing, siding, flooring and roof drainage equipment | kg | | | |
| 7308.90.95 | 60 | Architectural and ornamental work | kg | | | |
| 7309.00.00 | | Reservoirs, tanks, vats and similar containers for any material (other than compressed or liquefied gas), of iron or steel, of a capacity exceeding 300 liters, whether or not lined or heat insulated, but not fitted with mechanical or thermal equipment | | Free | | 45% |
| 7310 | | Tanks, casks, drums, cans, boxes and similar containers, for any material (other than compressed or liquefied gas), of iron or steel, of a capacity not exceeding 300 liters, whether or not lined or heat insulated, but not fitted with mechanical or thermal equipment: | | | | |
| 7310.10.00 | | Of a capacity of 50 liters or more | | Free | | 25% |
| 7310.21.00 | | Of a capacity of less than 50 liters: | | | | |
| 7310.21.00 | | Cans which are to be closed by soldering or crimping | | Free | | 25% |
| 7310.21.00 | 25 | Containers, of circular cross section, of a volume capacity between 11.4 liters and 26.6 liters, of a kind used for the conveyance of goods | No. | | | |
| 7310.29.00 | 25 | Containers, of circular cross section, of a volume capacity between 11.4 liters and 26.6 liters, of a kind used for the conveyance of goods | No. | | | |
| 7311.00.00 | | Containers for compressed or liquefied gas, of iron or steel | | Free | | 25% |
| 7311.00.00 | 30 | Certified prior to exportation to have been made in accordance with the safety requirements of sections 178.36 through 178.68 of title 49 CFR or under a specific exemption to those requirements: | | | | |
