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Phosphor Bronze C51000 Strip Coil from Mexico

Thin phosphor bronze strip in coil form made from C51000 alloy (copper 92%, tin 5%, phosphorus 0.03%), with thickness 0.2-4.9 mm and width under 500 mm. Classified under HTS 7409.31.90.00 as copper-tin base bronze plate/sheet/strip in coils, meeting subheading note (b) where tin predominates over other elements. Used in electrical connectors and springs.

Duty Rate — Mexico → United States

53%

Rate breakdown

9903.82.0250%Except as provided for in headings 9903.82.14, 9903.85.67 and 9903.85.68, articles of aluminum, of steel or of copper and derivative aluminum or steel articles, as provided for in subdivisions (c)(i)–(v) of U.S. note 16 to this subchapter
9903.03.060%Articles of aluminum, of steel, or of copper or derivative aluminum or steel articles; passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; parts of passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; medium- and heavy-duty vehicles; parts of medium- and heavy-duty vehicles; wood products; and semiconductor articles, of any country, as provided in subdivision (aa)(v) of U.S. note 2 to this subchapter

Import Tips

Provide mill test certificate confirming Cu-Sn alloy composition per subheading note (b) to avoid reclassification as brass

Verify coil width <500mm and thickness 0.15-5mm with precise measurements to meet 7409.31.90.00 specs