| 7306.40 | | Other, welded, of circular cross section, of stainless steel: | | | | |
| 7306.40.10 | 10 | Containing more than 0.5 percent by weight of nickel: | | | | |
| 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 | 62 | Containing more than 0.5 percent but less than 24 percent by weight of nickel: | | | | |
| 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 | | Other, welded, of noncircular cross section: | | | | |
| 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% |
| 7306.61.70 | 30 | Of stainless steel | kg | | | |
| 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% |
| 7306.69.70 | 30 | Of stainless steel | kg | | | |
| 7306.90.10 | 00 | Of iron or nonalloy steel | kg | Free | | 5.5% |
| 7306.90.50 | 00 | Of alloy steel | kg | Free | | 10% |
| 7307 | | Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel: | | | | |
| 7307.21 | | Other, of stainless steel: | | | | |
| 7307.22 | | Threaded elbows, bends and sleeves: | | | | |
| 7307.23.00 | 00 | Butt welding fittings | kg | 5% | Free (A,AU,B,BH, CA,CL,E,IL,J,JO, MA,MX,P, SG) | 45% |
