Constantan Bare Wire for Strain Gauges from Mexico
High-precision bare constantan (cupro-nickel alloy) wire for strain gauge sensors in engineering applications. HTS 7408.22.50.00 due to copper-nickel base composition, uncoated.
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
• Provide resistivity (typically 48-50 μΩ·cm) and elongation data to confirm strain gauge grade
• Ultra-fine diameters (<0.1mm) require special handling declarations
• Distinguish from foil forms—wire only under 7408