Tubes, pipes and hollow profiles, seamless, of circular cross-section, of iron or non-alloy steel, unworked, straight and of uniform wall thickness, for use solely in the manufacture of tubes and pipes with other cross-sections and wall thicknesses
Cevi, brezšivne, druge, s krožnim prečnim prerezom, iz železa ali nelegiranega jekla, neobdelane, za prizvodnjo cevi in votlih profilov