| 730429 | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel-Other |
| 730431 | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel-Cold-drawn or cold-rolled (cold-reduced) |
| 730439 | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel-Other |
| 730441 | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel-Cold-drawn or cold-rolled (cold-reduced) |
| 730449 | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel-Other |
| 730451 | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel-Cold-drawn or cold-rolled (cold-reduced) |
| 730459 | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel-Other |
| 730490 | Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel-Other |
| 730511 | Other tubes and pipes (for example, welded, riveted or similarly closed), having circular cross-sections, the external diameter of which exceeds 406.4mm, of iron or steel-Longitudinally submerged arc welded |
| 730512 | Other tubes and pipes (for example, welded, riveted or similarly closed), having circular cross-sections, the external diameter of which exceeds 406.4mm, of iron or steel-Other, longitudinally welded |
| 730519 | Other tubes and pipes (for example, welded, riveted or similarly closed), having circular cross-sections, the external diameter of which exceeds 406.4mm, of iron or steel-Other |
| 730520 | Other tubes and pipes (for example, welded, riveted or similarly closed), having circular cross-sections, the external diameter of which exceeds 406.4mm, of iron or steel-Casing of a kind used in drilling for oil or gas |
| 730531 | Other tubes and pipes (for example, welded, riveted or similarly closed), having circular cross-sections, the external diameter of which exceeds 406.4mm, of iron or steel-Longitudinally welded |
| 730539 | Other tubes and pipes (for example, welded, riveted or similarly closed), having circular cross-sections, the external diameter of which exceeds 406.4mm, of iron or steel-Other |
| 730590 | Other tubes and pipes (for example, welded, riveted or similarly closed), having circular cross-sections, the external diameter of which exceeds 406.4mm, of iron or steel-Other |
