Explanatory notes
… ‑ Tubes and pipes : 7507.11 ‑ ‑ Of nickel, not alloyed 7507.12 ‑ ‑ Of nickel alloys 7507.20 ‑ Tube or pipe … tubes, pipes and fittings of nickel or of nickel alloys are used in apparatus for the chemical, food, papermaking … etc., in the manufacture of steam condensers, hypodermic needles, etc. This heading excludes : (a) Hollow profiles …