| 7304.29 |  | Other | 
| 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 | 
| 7304.41 | 020 | 2 Other | 
| 7304.49 |  | Other | 
| 7304.49 | 010 | 1 Drill pipe | 
| 7304.49 | 020 | 2 Other | 
| 7304.49 |  | Other, of circular cross-section, of other alloy steel | 
| 7304.51 |  | Cold-drawn or cold-rolled (cold-reduced) | 
| 7304.51 | 010 | 1 Drill pipe | 
| 7304.51 | 020 | 2 Other | 
| 7304.59 |  | Other | 
| 7304.59 | 010 | 1 Drill pipe | 
| 7304.59 | 020 | 2 Other |