7601.20 - Aluminum alloys:

This HTS category, 7601.20, encompasses unwrought aluminum in the form of alloys. These alloys are defined by the presence of other metallic elements added to aluminum to enhance its properties, such as strength, hardness, or corrosion resistance. This distinguishes them from pure, unalloyed aluminum, which is classified under the sibling category 7601.10. The key differentiator here is the composition; 7601.20 specifically addresses aluminum that has been intentionally mixed with other metals.

Within this classification, further subdivisions exist to provide more granular detail for customs purposes. The subcategory 7601.20.30.00 specifically pertains to unwrought aluminum alloys of a uniform cross-section, where the smallest dimension does not exceed 9.5 mm and these are presented in coils. This detailed physical characteristic is critical for accurate classification.

The broader "Other:" subcategory serves as a catch-all for all other unwrought aluminum alloys that do not meet the specific criteria of the preceding subcategory. This would include alloys in various forms such as ingots, billets, or slabs, which are not in coils or do not meet the specified dimensional requirements. The presence of these subcategories highlights the HTS system's emphasis on precise physical form and dimensions to ensure consistent tariff application for these base metal products.