Grade C52400 Phosphor Bronze Narrow Strip from Mexico
UNS C52400 phosphor bronze strip, 0.4 mm x 250 mm wide, for electrical switch contacts and thermostats. Under HTS 7409.39.90.30 as copper-tin alloy (10% tin, 0.1% P), specified thickness/width range. High conductivity and springback for reliable switching.
Duty Rate — Mexico → United States
13%
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
• Use ASTM B103 spec sheets proving C52400 = phosphor bronze per HTS notes
• Slit edges must be straight; irregular width risks re-measurement
• Declare grain direction if rolled, but doesn't affect HTS