7304.59.80 | 45 | Having a wall thickness less than 12.7 mm | kg | | | |
7304.59.80 | 50 | Having a wall thickness of 12.7 mm or more but less than 19 mm | kg | | | |
7304.59.80 | 55 | Having a wall thickness of 19 mm or more | kg | | | |
7304.59.80 | 60 | Having an outside diameter exceeding 285.8 mm but not exceeding 406.4 mm: | | | | |
7304.59.80 | 60 | Having a wall thickness less than 12.7 mm | kg | | | |
7304.59.80 | 65 | Having a wall thickness of 12.7 mm or more but less than 19 mm | kg | | | |
7304.59.80 | 70 | Having a wall thickness of 19 mm or more | kg | | | |
7304.59.80 | 80 | Having an outside diameter exceeding 406.4 mm | kg | | | |