C46400 Naval Brass Coil Strip from Mexico
Thin brass coil strip made from C46400 naval brass alloy (high zinc content with 1% tin), thickness 1.2 mm, width 400 mm, used for marine hardware. Classified under HTS 7409.21.00.75 as copper-zinc base alloy (brass) in coils, width <500 mm, thickness <1.6 mm but >0.15 mm. Meets subheading note (a) definition with zinc predominating and tin <3%.
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
• Provide mill test certificate confirming C46400 composition (zinc predominant, tin <3%) to verify brass classification; measure thickness precisely as <1.6mm is critical; watch for anti-dumping duties on certain brass imports from Asia