… Other alloy steel in ingots or other primary forms; semi-finished products of other alloy steel. …
Explanatory notes
… provided that they do not thereby assume the character of articles or of products falling in other headings (see the … The metals most commonly present in other alloy steel are manganese, nickel, chromium, tungsten (wolfram), … increased hardness, resilience, strength), for example, in armaments, tools and cutlery, and machinery. Alloy steels of …