| 7306.40.50 | 42 | Containing less than 15 percent by weight of chromium | kg | | | |
| 7306.40.50 | 62 | Containing more than 0.5 percent but less than 24 percent by weight of nickel: | | | | |
| 7306.40.50 | 62 | Containing more than 1.5 per- cent but less than 5 percent by weight of molybdenum | kg | | | |
| 7306.40.50 | 85 | Containing more than 0.5 percent but less than 24 percent by weight of nickel | kg | | | |
| 7306.50.50 | 10 | Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters, whether or not cold-drawn | kg | | | |
| 7306.50.50 | 30 | Other, cold-drawn or cold-rolled (cold- reduced) | kg | | | |
| 7307 | | Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel: | | | | |
| 7307.19.30 | 40 | Grooved-end fittings (including grooved couplings) | kg | | | |
| 7307.19.30 | 70 | With mechanical, push-on (rubber compression) or flanged joints attached | kg | | | |
| 7307.19.90 | 40 | Grooved-end fittings (including grooved couplings) | kg | | | |
| 7307.22.10 | 00 | Sleeves (couplings) | kg | Free | | 45% |
| 7307.92.30 | | Sleeves (couplings) | | Free | | 45% |
| 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: | | | | |
| 7308.90.30 | 00 | Columns, pillars, posts, beams, girders and similar structural units: | | | | |
| 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: | | | | |
| 7310.21.00 | 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: | | | | |
| 7311.00.00 | 30 | Seamless steel containers not overwrapped, marked DOT 3A, 3AX, 3AA, 3AAX, 3B, 3E, 3HT, 3T or DOT-E followed by a specific exemption number | No. kg | | | |
| 7312.10.10 | 30 | Tire cord | kg | | | |
| 7312.10.30 | 05 | Tire cord | kg | | | |
| 7312.10.30 | 10 | For prestressing concrete: | | | | |
| 7312.10.30 | 10 | Covered with textile or other non- metallic material | kg | | | |
Harmonized Tariff Schedule of the United States inquiry: 3203Ã
