Constantan Bare Wire for Strain Gauges from Canada
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 — Canada → United States
53%
Rate breakdown
9903.82.0250%Except as provided for in headings 9903.82.14, 9903.85.67 and 9903.85.68, articles of aluminum, of steel or of copper and derivative aluminum or steel articles, as provided for in subdivisions (c)(i)–(v) of U.S. note 16 to this subchapter
9903.05.900%Articles of aluminum, of steel or of copper or derivative aluminum or steel articles; passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans and cargo vans) and light trucks; parts of passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans and cargo vans) and light trucks; medium- and heavy-duty vehicles; parts of medium- and heavy-duty vehicles; wood products; patented pharmaceutical articles; and semiconductor articles, as provided in subdivision (f) of U.S. note 52 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