| 7304.11 | 000 | Of stainless steel |
| 7304.19 | | Other |
| 7304.19 | 100 | 1 Of alloy steel |
| 7304.19 | 900 | 2 Other |
| 7304.19 | | Casing, tubing and drill pipe, of a kind used in drilling for oil or gas |
| 7304.22 | 000 | Drill pipe of stainless steel |
| 7304.23 | | Other drill pipe |
| 7304.23 | 010 | - Of alloy steel |
| 7304.23 | 090 | - Other |
| 7304.24 | 000 | Other, of stainless steel |
| 7304.29 | | Other |
| 7304.29 | 010 | 1 Of alloy steel |
| 7304.29 | 090 | 2 Other |
| 7304.29 | | Other, of circular cross-section, of iron or non-alloy steel |
| 7304.31 | | Cold-drawn or cold-rolled (cold-reduced) |
| 7304.31 | 010 | 1 Drill pipe |
| 7304.31 | 020 | 2 Other |
| 7304.39 | | Other |
| 7304.39 | 010 | 1 Drill pipe |
| 7304.39 | 020 | 2 Other |
| 7304.39 | | Other, of circular cross-section, of stainless steel |
| 7304.41 | | Cold-drawn or cold-rolled (cold-reduced) |
| 7304.41 | 010 | 1 Drill pipe |
