C46400 Naval Brass Sheet from Mexico
C46400 naval brass sheet (59% Cu, 39.5% Zn, 1% Sn), 1.2 mm thick x 450 mm wide for propeller shafts and valve stems. HTS 7409.90.90: brass alloy (note a), thickness <5 mm, width <500 mm.
Duty Rate — Mexico → United States
53%
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 dezincification resistance (ARS treatment); untreated naval brass risks 7415 reclassification as defective
• Ship coiled to maintain flatness; buckled sheets declared as 'plates' under 7408
• Include propeller blank end-use statement to avoid tube classification scrutiny