general: See U.S. note 16 to subchapter III, chapter 99.
other: See 9903.90.09.
general: See 9903.91.01.
| Code | Description | Units |
|---|---|---|
| 7304.29.10.10 | Having a wall thickness less than 12.7 mm | kg |
| 7304.29.10.20 | Having a wall thickness of 12.7 mm or more | kg |
| 7304.29.10.30 | Having a wall thickness less than 12.7 mm | kg |
| 7304.29.10.40 | Having a wall thickness of 12.7 mm or more | kg |
| 7304.29.10.50 | Having a wall thickness less than 12.7 mm | kg |
| 7304.29.10.60 | Having a wall thickness of 12.7 mm or more | kg |
| 7304.29.10.80 | Having an outside diameter exceeding 406.4 mm | kg |