C46400 Naval Brass Coil Strip from Mexico
C46400 naval brass (59% Cu, 39.25% Zn, 1% Sn) coil over 0.15 mm thick for marine hardware and propeller shafts. Falls under 7409.21.00 as brass (Sn<3%, Zn predominant) in coil form.
Duty Rate — Mexico → United States
51.9%
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
• Sn content near 3% limit requires precise assay; exceeds → bronze under 7409.29.00
• Mark invoices 'brass strip in coils' distinctly from foil/sheet packs
• Saltwater corrosion resistance noted but irrelevant for tariff classification