Phosphor Bronze C51000 Strip Coil from China
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 — China → United States
38%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
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