… 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. …
Explanatory notes
… 73.05 ‑ 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 (+). … of this heading are obtained, for example, by welding or riveting preformed, unclosed, tubular shapes produced from …