… Other tubes and pipes (for example, welded, riveted or similarly closed), having circular cross-sections, the …
Explanatory notes
… ‑ Other tubes and pipes (for example, welded, riveted or similarly closed), having circular cross-sections, the … subheading covers tubes manufactured from steel plate by forming in a press or by rolling, and by welding by an … mainly tubes manufactured from coils of steel by continuous forming through a train of forming rolls and electric …