Architectural Bronze Ingot from Mexico
Low-tin copper-zinc alloy ingot (<3% Sn) for architectural castings, classified 7403.29.0180 as brass rather than true bronze per subheading definitions.
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
• Tin analysis certificate critical to distinguish from 7403.22 bronzes
• Declare casting shrinkage allowance in technical specifications
• ASTM B135 compliance verification for plumbing applications