CDA 521 Phosphor Bronze Strip 5.5mm from China
CDA 521 grade phosphor bronze strip at 5.5mm thickness, featuring 8% tin and 0.2% phosphorus for excellent fatigue resistance. Classified in HTS 7409.39.10.30 for its phosphor bronze alloy, copper-tin base, and thickness over 5mm. Used in electrical contacts and diaphragms requiring high strength.
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
• Reference ASTM B103 standard in documentation to validate CDA 521 phosphor bronze composition
• Measure thickness precisely at multiple points; slight variations could trigger reclassification
• Include end-use statements if for defense applications to comply with ITAR export controls on import