| 7304.31.60 | 10 | Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters | kg | | | |
| 7304.39.00 | 02 | Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters: | | | | |
| 7304.41.30 | 15 | Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters | kg | | | |
| 7304.41.60 | 15 | Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters | kg | | | |
| 7304.49.00 | 45 | Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters | kg | | | |
| 7304.51.50 | 15 | Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters: | | | | |
| 7304.59.20 | | Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters | | Free | | 35% |
| 7306.30.50 | 10 | Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters, whether or not cold drawn | kg | | | |
| 7306.40.50 | 15 | Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters, whether or not cold-drawn | kg | | | |
| 7306.50.50 | 10 | Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters, whether or not cold-drawn | kg | | | |
| 8402.90.00 | 10 | Heat exchangers | t | | | |
| 8415.83.00 | 50 | Heat exchangers including condensing units: | | | | |
| 8419.50 | | Heat exchange units: | | | | |
| 8419.50.10 | 00 | Brazed aluminum plate-fin heat exchangers | No. | 4.2% | Free (A,AU,BH,C, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 35% |
| 8419.60.10 | 00 | Machinery containing brazed aluminum plate-fin heat exchangers | No. | 4.2% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX,P,SG) | 35% |
| 8419.90.30 | 00 | Of heat exchange units | X | Free | | 35% |
