C11000 Admiralty Brass Coil from Mexico
Actually C44300 Admiralty brass coil (71% Cu, 28% Zn, 1% Sn) thickness exceeding 0.15 mm for condenser tubesheets. Brass per note (a) as Sn<3%, classifies 7409.21.00 in coils.
Duty Rate — Mexico → United States
11.9%
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
• Correct UNS designation C44300 (not C11000 pure Cu); composition cert mandatory
• Tube industry coils often slit-edge; still coils if wound continuously