Open seam or welded, riveted or similarly closed tubes, pipes and hollow profiles, not of stainless steel, exter. diam. <= 406.4 mm, circular cross-section, wall thick. >2 mm, cold drawn or otherwise cold finished, for precision application
Cevi in votli profili, varjeni, kovičeni ali z odprtimi šivi (razen iz nerjavnega jekla), zunanjega premera > 406,4 mm, s krožnim prečnim prerezom, debeline > 2mm, za precizne cevi