Hollow Admiralty Brass Profile from Mexico
Hollow profile of admiralty brass (copper-zinc-tin alloy, Sn <3%) for condenser tubesheets and fittings. Remains under HTS 7407.29.16 as brass profile despite minor tin. Optimized for seawater applications.
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
• Confirm tin <3% to stay in brass note (a); higher tin shifts to bronze
• Provide heat treatment records showing dezincification resistance for admiralty grade
• Declare UNS C44300 or equivalent spec for proper valuation