7304.23 | | Other drill pipe: | | | | |
7304.23.30 | 00 | Of iron or nonalloy steel | kg | Free | | 25% |
7304.23.60 | | Of alloy steel | | Free | | 35% |
7304.23.60 | 30 | Having an outside diameter not exceeding 168.3 mm: | | | | |
7304.23.60 | 30 | Having a wall thickness not exceeding 9.5 mm | kg | | | |
7304.23.60 | 45 | Having a wall thickness exceeding 9.5 mm | kg | | | |
7304.23.60 | 60 | Having an outside diameter exceeding 168.3 mm | kg | | | |