Open seam or welded, riveted or similarly closed tubes, pipes and hollow profiles, not of stainless steel, external diameter <= 406.4 mm, not of circular cross-section, not cold drawn or otherwise cold finished, for precision application
Cevi in votli profili, varjeni, kovičeni ali z odprtimi šivi (razen hadno dodelanih in iz nerjavnega jekla), zunanjega premera > 406,4 mm, z nekrožnim prečnim prerezom, za precizne cevi