| 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 |