C37700 Leaded Brass Flat Stock 1/4" x 1.5" from Mexico
Rectangular flat bar of C37700 leaded brass for high-speed machining into valves and plumbing parts. Under HTS 7407.21.70.00 for its copper-zinc base alloy composition and solid rectangular (not contoured) cross section.
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
• Declare lead percentage explicitly; subject to TSCA import certification for hazardous substances
• Avoid classifying as strip if width/thickness ratio exceeds bar limits per HTS notes