| 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% |
| 7306.19.10 | | 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: | | | | |
| 7306.30.30 | 00 | Tapered steel pipes and tubes principally used as parts of illuminating articles | kg | Free | | 45% |
| 7306.30.50 | 10 | Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters, whether or not cold drawn | kg | | | |
| 7306.30.50 | 28 | Internally coated or lined with a non-electrically insulating material, suitable for use as electrical conduit | kg | | | |
| 7306.40.50 | 15 | Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters, whether or not cold-drawn | kg | | | |
| 7306.50.30 | 00 | Tapered pipes and tubes of steel principally used as parts of illuminating articles | kg | Free | | 45% |
| 7306.50.50 | 10 | Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters, whether or not cold-drawn | kg | | | |
| 7306.61.10 | 00 | Of iron or nonalloy steel | kg | Free | | 1% |
| 7306.61.50 | 00 | Of iron or nonalloy steel | kg | Free | | 25% |
| 7306.69.10 | 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% |
| 7307.91.10 | 00 | Of iron or nonalloy steel | kg | 3.3% | Free (A,AU,BH,CA, CL,E,IL,J,JO,MA, MX,P,SG) | 25% |
| 7307.91.50 | 10 | Of iron or nonalloy steel | kg | | | |
| 7307.91.50 | 50 | Of iron or nonalloy steel | kg | | | |
| 7307.92.30 | 10 | Of iron or nonalloy steel | kg | | | |
| 7307.93.30 | | Of iron or nonalloy steel | | 6.2% | Free (A+,AU,B,BH, CA,CL,D,E,IL,J, JO,MX,P,SG) 4.1% (MA) | 45% |
| 7307.93.90 | 10 | Of iron or nonalloy steel: | | | | |
| 7307.99.10 | 00 | Of iron or nonalloy steel | kg | 3.7% | Free (A,AU,BH,CA, CL,E,IL,J,JO,MA, MX,P,SG) | 25% |
| 7307.99.50 | 15 | Of iron or nonalloy steel: | | | | |
