7304.22.00 | | Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: | | | | |
7304.22.00 | | Drill pipe of stainless steel | | Free | | 35% |
7304.22.00 | 30 | Having an outside diameter not exceeding 168.3 mm: | | | | |
7304.22.00 | 30 | Having a wall thickness not exceeding 9.5 mm | kg | | | |
7304.22.00 | 45 | Having a wall thickness exceeding 9.5 mm | kg | | | |
7304.22.00 | 60 | Having an outside diameter exceeding 168.3 mm | kg | | | |