7409.39.90 - Of a width of less than 500 mm

This HTS category, 7409.39.90, specifically classifies copper-tin base alloy (bronze) plates, sheets, and strip, with a thickness exceeding 0.15 mm but less than 5 mm, and a width of less than 500 mm. This designation applies to forms of bronze that are relatively narrow and in a thin, flat dimension, differentiating them from wider forms of the same material.

The critical distinguishing factor from its sibling category, 7409.39.50.00, lies solely in the width measurement. While both cover bronze plates, sheets, and strip of similar thickness, this category is reserved for those measuring under 500 mm in width, whereas the sibling category is for those measuring 500 mm or more. This width criterion is a key physical characteristic used in trade for product identification and tariff application.

Within this category, further subdivisions exist to refine the classification based on specific bronze compositions. The subcategory 7409.39.90.30 addresses phosphor bronze, a type of bronze with added phosphorus that enhances its electrical conductivity and mechanical properties. The subcategory 7409.39.90.60 encompasses all other types of bronze plates, sheets, and strip that meet the primary criteria but are not specifically phosphor bronze. These subdivisions allow for more precise tariff coding based on material composition.