| 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% |
| 7307.19.30 | | Ductile fittings | | 5.6% | Free (A,AU,BH,CA, CL,E,IL,J,JO,MA, MX,P, SG) | 45% |
| 7307.19.90 | 30 | Unions | 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 | | | |
| 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% |
| 7307.99.10 | 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 | Nipples | kg | | | |
| 7308.10.00 | 00 | Bridges and bridge sections | kg | Free | | 45% |
| 7308.20.00 | 00 | Towers and lattice masts | kg | Free | | 45% |
| 7308.30.10 | 00 | Of stainless steel | kg | Free | | 35% |
| 7308.30.50 | 15 | Windows and their frames | kg | | | |