| 7306.30.50 | 28 | Internally coated or lined with a non-electrically insulating material, suitable for use as electrical conduit | kg | | | |
| 7306.40.10 | 10 | Containing more than 0.5 percent by weight of nickel: | | | | |
| 7306.40.10 | 10 | Containing more than 1.5 percent but less than 5 percent by weight of molybdenum | kg | | | |
| 7306.40.50 | 05 | Of high-nickel alloy steel | kg | | | |
| 7306.40.50 | 40 | Containing more than 0.5 percent but less than 24 percent by weight of nickel | kg | | | |
| 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 | | Other, welded, of circular cross section, of other alloy steel: | | | | |
| 7306.50.30 | 00 | Tapered pipes and tubes of steel principally used as parts of illuminating articles | kg | Free | | 45% |
| 7306.61.10 | 00 | Of iron or nonalloy steel | kg | Free | | 1% |
| 7306.61.30 | 00 | Of alloy steel | kg | Free | | 28% |
| 7306.61.50 | 00 | Of iron or nonalloy steel | kg | Free | | 25% |
| 7306.61.70 | | Of alloy steel | | Free | | 35% |
| 7306.69.10 | 00 | Of iron or nonalloy steel | kg | Free | | 1% |
| 7306.69.30 | 00 | Of alloy steel | kg | Free | | 28% |
| 7306.69.50 | 00 | Of iron or nonalloy steel | kg | Free | | 25% |
| 7306.69.70 | | Of alloy steel | | Free | | 35% |
| 7306.90.10 | 00 | Of iron or nonalloy steel | kg | Free | | 5.5% |
| 7306.90.50 | 00 | Of alloy steel | kg | Free | | 10% |
| 7307.91.10 | 00 | Of iron or nonalloy steel | kg | 3.3% | Free (A,AU,BH,CA, CL,E,IL,J,JO,MA, MX,P,SG) | 25% |
| 7307.91.30 | 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% |
| 7307.91.50 | 10 | Of iron or nonalloy steel | kg | | | |
| 7307.91.50 | 30 | Of alloy steel (except stainless steel) | kg | | | |
