Ni-Span C Nickel-Iron Alloy Wire from Canada
Ni-Span C wire maintains constant modulus over wide temperature range, essential for precision springs in watches and instruments. The not cold-formed nickel alloy wire is classified under HTS 7505.22.50.00.
Duty Rate — Canada → United States
12.6%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Elastic modulus certificates verify controlled thermal expansion properties
• Age-hardening condition must be documented for proper alloy identification
• Differentiate from common spring wire by providing specialized property data