Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters — Other:
Open in calculatorgeneral: See U.S. note 16 to subchapter III, chapter 99.
general: See 9903.91.01.
| Code | Description | Units |
|---|---|---|
| 7304.59.20.30 | Of heat-resisting steel | kg |
| 7304.59.20.40 | Having an outside diameter less than 38.1 mm | kg |
| 7304.59.20.45 | Having an outside diameter of 38.1 mm or more but not exceeding 114.3 mm | kg |
| 7304.59.20.55 | Having an outside diameter exceeding 114.3 mm but less than 190.5 mm | kg |
| 7304.59.20.60 | Having an outside diameter of 190.5 mm or more but not exceeding 285.8 mm | kg |
| 7304.59.20.70 | Having an outside diameter exceeding 285.8 mm but not exceeding 406.4 mm | kg |
| 7304.59.20.80 | Having an outside diameter exceeding 406.4 mm | kg |