Step 1 ·
Section
XV
Base metals and articles of base metal
Is it iron or steel; an article made of iron or steel; copper or an article made of copper; nickel or an article made of nickel; aluminium or an article made of aluminium; lead or an article made of lead; zinc or an article made of zinc; tin or an article made of tin; another base metal, sintered metal or cermet, or an article made from one of these; a base-metal tool, implement, knife, spoon or fork, or a part thereof; or another miscellaneous article made of base metal?
✓
Step 2 ·
Chapter
81
Other base metals; cermets; articles thereof
9 of 11 chapters in section XV
Which named material is it made of: tungsten, molybdenum, tantalum, magnesium, cobalt or a cobalt-making intermediate, bismuth, titanium, zirconium, antimony, manganese, beryllium, chromium, germanium, vanadium, gallium, hafnium, indium, niobium (columbium), rhenium, thallium, or a sintered ceramic metal (cermet)?
✓