Cupro-Nickel Resistance Wire AWG 24 from United States
Bare cupro-nickel alloy wire (e.g., constantan composition) used for electrical resistors and heating elements due to its high resistivity. It falls under tariff item 7408.22.00 as uncoated wire of copper-nickel base alloys, meeting the definition of copper-nickel base alloys.
Duty Rate — United States → Canada
0%
Import Tips
• Verify the constantan composition meets the copper-nickel base alloy definition (nickel ≥5%, zinc ≤1%)
• Provide technical datasheets showing the alloy composition and wire gauge
• Ensure the wire is in coils and has a uniform cross-section to qualify as wire