Other tubes and pipes (for example, welded, riveted or similarly closed), having circular cross sections, the external diameter of which exceeds 406.4 mm, of iron or steel:
| Subheading | Description | General | Special | Other |
|---|---|---|---|---|
| Line pipe of a kind used for oil or gas pipelines: | ||||
| 7305.11 | Longitudinally submerged arc welded: | — | — | — |
| 7305.12 | Other, longitudinally welded: | — | — | — |
| 7305.19 | Other: | — | — | — |
| 7305.20 | Casing of a kind used in drilling for oil or gas: | — | — | — |
| Of iron or nonalloy steel: | ||||
| Of alloy steel: | ||||
| Other, welded: | ||||
| 7305.31 | Longitudinally welded: | — | — | — |
| 7305.39 | Other: | — | — | — |
| 7305.90 | Other: | — | — | — |