| 7304.29.10 | | Casing: | | | | |
| 7305.20 | | Casing of a kind used in drilling for oil or gas: | | | | |
| 7306.21 | | Casing and tubing of a kind used in drilling for oil or gas: | | | | |
| 7306.21.30 | 00 | Casing: | | | | |
| 7306.29.10 | | Casing: | | | | |
| 7306.30.50 | 28 | Internally coated or lined with a non-electrically insulating material, suitable for use as electrical conduit | kg | | | |
| 7307.11.00 | 45 | For cast-iron soil pipe | kg | | | |
| 7307.11.00 | | Cast fittings: | | | | |
| 7307.11.00 | | Of nonmalleable cast iron | | 4.8% | Free (A,AU,BH,CA, CL,E,IL,J,JO,MA, MX,P,SG) | 25% |
| 7307.19.30 | 70 | With mechanical, push-on (rubber compression) or flanged joints attached | 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: | | | | |
| 7308.40.00 | 00 | Equipment for scaffolding, shuttering, propping or pit- propping | kg | Free | | 45% |
| 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. | | | |
| 7312 | | Stranded wire, ropes, cables, plaited bands, slings and the like, of iron or steel, not electrically insulated: | | | | |
| 7312.10 | | Stranded wire, ropes and cables: | | | | |
| 7312.10.50 | 00 | Ropes, cables and cordage other than stranded wire: | | | | |
| 7315.12.00 | 60 | Cast and combination chain | kg | | | |
| 7318.15.40 | 00 | Machine screws 9.5 mm or more in length and 3.2 mm or more in diameter (not including cap screws) | kg | Free | | 2.2¢/kg |
| 7318.21.00 | 30 | Helical spring lock washers | kg | | | |
Harmonized Tariff Schedule of the United States inquiry: 3203Ã
