section note 1exclusionary
Exclusions from Section XV
This section does not cover: (a) Prepared paints, inks, or other products with a basis of metallic flakes or powder (headings 3207 to 3210, 3212, 3213, or 3215); (b) Ferro-cerium and other pyrophoric alloys (heading 3606); (c) Headgear and parts thereof of heading 6506 or 6507; (d) Umbrella frames or other articles of heading 6603; (e) Goods of chapter 71 (for example, precious-metal alloys, base metal clad with precious metal, imitation jewelry); (f) Articles of section XVI (machinery, mechanical appliances, and electrical equipment); (g) Assembled railway or tramway track (heading 8608); (h) Articles of section XVII (vehicles, aircraft, vessels); (ij) Instruments or apparatus of section XVIII (clocks, optical, musical, arms); (k) Lead shot prepared for ammunition (heading 9306); (l) Articles of section XX (furniture, toys, games, sports); or (m) Hand sieves, buttons, pens, pencil holders, pen nibs, monopods, bipods, tripods, and similar articles of section XX.
section note 3definitional
Classification of Composite Articles
Throughout this schedule, the expression 'base metals' means: iron and steel, copper, nickel, aluminum, lead, zinc, tin, tungsten (wolfram), molybdenum, tantalum, magnesium, cobalt, bismuth, cadmium, titanium, zirconium, antimony, manganese, beryllium, chromium, germanium, vanadium, gallium, hafnium, indium, niobium (columbium), rhenium, and thallium.