Section 15 Base metals and articles of base metal 73 Articles of iron or steel 73 06 Other tubes, pipes and hollow profiles of iron or steel, welded, nes 73 06 40 Pipes and tubes containing by weight at least 30 % of nickel, with an external diamet 73 06 40 30 Pipes and tubes containing by weight at least 30 % of nickel, with an external diamet Commodity Code Description 73 06 40 30 00 Pipes and tubes containing by weight at least 30 % of nickel, with an external diamet
