Tubes And Pipes Having Circular Cross-sections And An External Diameter Of > 406,4 Mm, Of Flat-rolled Products Of Iron Or Steel, Welded (excl. Welded Products Or Products Of A Kind Used For Oil Or Gas Pipelines Or Of A Kind Used In Drilling For Oil Or Gas)
Tubes And Pipes Having Circular Cross-sections And An External Diameter Of > 406,4 Mm, Of Flat-rolled Products Of Iron Or Steel, Welded