C36000 Free-Cutting Brass Billet from Mexico
C36000 free-cutting brass billet is an unwrought copper-zinc alloy with added lead for machinability, containing 60% copper and 36% zinc. Classified under HTS 7403.21.00.00 as brass since zinc predominates over other elements and lead is permitted. Used primarily for screw machine products and fittings.
Duty Rate — Mexico → United States
1%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Provide detailed chemical analysis showing zinc predominance and compliance with brass alloy definitions
• Declare lead content accurately due to RoHS and environmental regulations for machinable brass
• Use correct UNS designation in entry docs to prevent reclassification