North American Product Classification System (NAPCS) Canada 2017 Version 2.0

321 - Unwrought aluminum and aluminum alloys

This group comprises unwrought aluminum and aluminum alloys.

32111 - Unwrought aluminum and aluminum alloys

This class comprises unwrought aluminum and aluminum alloys.

321111 - Aluminum ingots and billets (except alloys)

This subclass comprises ingots and billets of aluminum, except alloys.

321112 - Aluminum alloy ingots and billets

This subclass comprises ingots and billets of aluminum alloys.