C44300 Admiralty Brass Strip from Mexico
Admiralty brass strip (C44300, 71% Cu, 28% Zn, 1% Sn), 0.4 mm thick, 380 mm width for heat exchangers. Fits HTS 7409.19.90.00 as brass alloy (tin <3%, zinc predominant) refined copper strip <5 mm thick, <500 mm wide.
Duty Rate — Mexico → United States
13%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Tin content verification critical; 1% typical but test if near 3% threshold
• Specify 'strip of refined copper' vs tube plate to avoid 7412 reclassification