Iron or steel (excluding cast iron); tubes, pipes and hollow profiles (not seamless), n.e.c. in chapter 73, welded, of non-circular cross-section (not square or rectangular cross-section)

730669 Of other noncircular cross section:

7306691000 Of iron or nonalloy steel

7306693000 Of alloy steel

7306695000 Of iron or nonalloy steel

73066970 Of alloy steel

7306697030 Of stainless steel

7306697060 Other

7306690000 Iron or steel (excluding cast iron); tubes, pipes and hollow profiles (not seamless), n.e.c. in chapter 73, welded, of non-circular cross-section (not square or rectangular cross-section)

7306691000

7306699000

73066900 Of other non-circular cross-section

73066910 Of a wall thickness of more than 1.8 mm

73066990 Other

7306691000 Of stainless steel

7306699000 Other