Phosphor Bronze C52100 Sheet from Mexico
Phosphor bronze C52100 sheet is a copper-tin alloy plate with approximately 8% tin and 0.2% phosphorus, thickness 0.2-4.9 mm, and width exceeding 500 mm. It falls under HTS 7409.39.50.00 as a copper-tin base alloy (bronze) plate/sheet/strip thicker than 0.15 mm but less than 5 mm wide, meeting the subheading note where tin predominates over other elements.
Duty Rate — Mexico → United States
51.7%
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
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Verify alloy composition certificate showing tin predominance (per subheading note (b)) to avoid reclassification as brass
• Provide mill test reports confirming thickness >0.15mm but <5mm and width ≥500mm for customs valuation