| 7305.39.10 | 00 | Of iron or nonalloy steel | kg | Free | | 5.5% |
| 7305.90.10 | 00 | Of iron or nonalloy steel | kg | Free | | 5.5% |
| 7306 | | Other tubes, pipes and hollow profiles (for example, open seamed or welded, riveted or similarly closed), of iron or steel: | | | | |
| 7306.19.10 | | Of iron or nonalloy steel | | Free | | 5.5% |
| 7306.29.10 | | Of iron or nonalloy steel: | | | | |
| 7306.29.60 | | Of iron or nonalloy steel | | Free | | 5.5% |
| 7306.30 | | Other, welded, of circular cross section, of iron or nonalloy steel: | | | | |
| 7306.30.50 | 20 | Other, cold-rolled (cold-reduced) with a wall thickness not exceeding 2.54 mm | kg | | | |
| 7306.40 | | Other, welded, of circular cross section, of stainless steel: | | | | |
| 7306.40.50 | 40 | Other, cold-drawn or cold-rolled (cold- reduced): | | | | |
| 7306.40.50 | 42 | Containing less than 15 percent by weight of chromium | kg | | | |
| 7306.50 | | Other, welded, of circular cross section, of other alloy steel: | | | | |
| 7306.50.50 | 30 | Other, cold-drawn or cold-rolled (cold- reduced) | kg | | | |
| 7306.61 | | Other, welded, of noncircular cross section: | | | | |
| 7306.61 | | Of square or rectangular cross section: | | | | |
| 7306.61.10 | 00 | Of iron or nonalloy steel | kg | Free | | 1% |
| 7306.61.50 | 00 | Of iron or nonalloy steel | kg | Free | | 25% |
| 7306.69 | | Of other noncircular cross section: | | | | |
| 7306.69.10 | 00 | Of iron or nonalloy steel | kg | Free | | 1% |
| 7306.69.50 | 00 | Of iron or nonalloy steel | kg | Free | | 25% |
| 7306.90.10 | 00 | Of iron or nonalloy steel | kg | Free | | 5.5% |
| 7307 | | Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel: | | | | |
| 7307.11.00 | | Of nonmalleable cast iron | | 4.8% | Free (A,AU,BH,CA, CL,E,IL,J,JO,MA, MX,P,SG) | 25% |
| 7307.11.00 | 45 | For cast-iron soil pipe | kg | | | |
| 7307.19.30 | 40 | Grooved-end fittings (including grooved couplings) | kg | | | |
