Explanatory notes
… springs, of clock or watch parts, of tools, etc.); and with nickel. These alloys are, however, classified in Chapter 72, … of stainless steel. Most alloys of the metal (e.g., with nickel or cobalt) are, however, excluded from this heading … as a de-oxidant in the manufacture of copper, silver, nickel, etc. Because of its very high rate of absorption of …
