C69300 Arsenical Brass Billet from Canada
C69300 arsenical brass billet contains small amounts of arsenic for improved corrosion resistance in copper-zinc matrix. Remains classified as brass under HTS 7403.21.00.00 since zinc predominates and other elements are minor. Used for condenser tubes.
Duty Rate — Canada → United States
1%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Arsenic content documentation required due to toxicity concerns
• Confirm arsenic levels don't alter predominant zinc classification
• Heat number traceability essential for quality assurance