Harmonized System
Section XV > Chapter 81 > Heading 8103
Tantalum and articles thereof, including waste and scrap.
Section XV > Chapter 81 > Heading 8103 > 8103.20
Unwrought tantalum, including bars and rods obtained simply by sintering; powders
Section XV > Chapter 81 > Heading 8103 > 8103.30
Waste and scrap
Section XV > Chapter 81 > Heading 8104
Magnesium and articles thereof, including waste and scrap.
Section XV > Chapter 81 > Heading 8104 > 8104.1
Unwrought magnesium
Section XV > Chapter 81 > Heading 8104 > 8104.1 > 8104.11
Containing at least 99.8 % by weight of magnesium