Tubes and pipes having circular cross-sections and an external diameter of > 406,4 mm, of iron or steel, longitudinally welded (excl. products of a kind used for oil or gas pipelines or of a kind used in drilling for oil or gas)

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Tubesandpipeshavingcircularcross-sectionsandanexternaldiameterof>406,4mm,ofironorsteel,longitudinallywelded(excl.productsofakindusedforoilorgaspipelinesorofakindusedindrillingforoilorgas)