Brass Marine Grade Sheet 1.0mm from Japan
1.0mm naval brass sheet (UNS C46400) for marine hardware and boat fittings. Classified HTS 7409.29.00 as copper-zinc base alloy plate >0.15mm.
Duty Rate — Japan → 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
• Marine brass needs corrosion test certification (ASTM B21 compliant)
• Higher zinc content common; verify doesn't exceed bronze definitions
• Saltwater exposure claims require specific alloy documentation