| 7304.49.00 | 45 | Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters | kg | | | |
| 7304.51.10 | 00 | Suitable for use in the manufacture of ball or roller bearings | kg | Free | | 34% |
| 7304.59.10 | 00 | Suitable for use in the manufacture of ball or roller bearings | kg | Free | | 34% |
| 7304.59.20 | | Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters | | Free | | 35% |
| 7305.20.20 | 00 | Threaded or coupled | kg | Free | | 20% |
| 7305.20.60 | 00 | Threaded or coupled | kg | Free | | 28% |
| 7305.31.20 | 00 | Tapered pipes and tubes of steel principally used as parts of illuminating articles | kg | Free | | 45% |
| 7306.21.30 | 00 | Threaded or coupled | kg | Free | | 28% |
| 7306.29.10 | | Threaded or coupled | | Free | | 20% |
| 7306.29.31 | 00 | Threaded or coupled | kg | Free | | 28% |
| 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 | 15 | Other, cold-drawn | kg | | | |
| 7306.30.50 | 85 | Galvanized | 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 | | | |
| 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 | | Ductile fittings | | 5.6% | Free (A,AU,BH,CA, CL,E,IL,J,JO,MA, MX,P, SG) | 45% |
| 7307.19.30 | 60 | Threaded | kg | | | |
| 7307.19.30 | 70 | With mechanical, push-on (rubber compression) or flanged joints attached | kg | | | |
| 7307.19.90 | 30 | Unions | kg | | | |
| 7307.19.90 | 60 | Threaded | kg | | | |
| 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% |
| 7307.29.00 | 30 | Nipples | kg | | | |