7601.20.60.00 - Containing 25 percent or more by weight of silicon

This HTS category, 7601.20.60.00, specifically covers unwrought aluminum in alloy form that contains a significant amount of silicon, defined as 25 percent or more by weight. These alloys are not typically in their final usable form and require further processing, such as casting, rolling, or extruding, to be manufactured into finished aluminum articles. Examples include ingots, billets, and slabs of aluminum alloys specifically formulated for their silicon content, which often imparts desirable properties like increased strength and castability.

Within the broader category of "Aluminum alloys," this classification is distinct from its sibling, 7601.20.90, which covers all other aluminum alloys not meeting the specific silicon content threshold. While 7601.20.90 encompasses a wide range of alloys with varying compositions for different applications, this particular subcategory is narrowly defined by the presence of at least 25% silicon, indicating a specialized metallurgical composition.

As this is a leaf node in the HTS database, there are no further subcategories under 7601.20.60.00. Therefore, the classification is considered definitive for unwrought aluminum alloys meeting the specified silicon content. Importers and exporters should verify the precise composition of their unwrought aluminum alloys to ensure accurate classification under this specific heading.