7407.21.15.00 - Hollow profiles

This HTS category specifically classifies hollow profiles made from copper-zinc base alloys, commonly known as brass. These items are characterized by their open cross-sectional shape and are typically manufactured through extrusion or drawing processes. Examples include hollow brass tubes with complex cross-sections, brass pipes designed for specific industrial applications requiring internal cavities, and other shaped brass extrusions with open centers. The "hollow profiles" designation distinguishes these from solid bars and rods of brass, which fall under different subheadings within 7407.

Within the broader category of "Profiles" for brass, this subheading is distinct from the "Other" category (7407.21.30.00). While "Other" would encompass any brass profiles that are not specifically defined elsewhere, this subheading is reserved for those profiles that are explicitly hollow in their construction. The primary differentiating factor is the presence of an internal cavity or void within the profile's cross-section, regardless of its specific shape or dimensions.

As this is a leaf node in the HTS classification, there are no further subcategories. Therefore, the focus for classification under 7407.21.15.00 is solely on identifying products that are: (a) made of copper-zinc base alloys, (b) are profiles (shaped extrusions or drawn forms), and (c) possess a hollow cross-sectional configuration.