AISI 631 Spring Temper Stainless Wire from Mexico
AISI 631 (17-7PH variant) spring-tempered round stainless wire for electronic connectors and relays. HTS 7223.00.10.05 applies via statistical note 8 for its precipitation-hardened spring characteristics.
Duty Rate — Mexico → United States
10%
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
• Document RH or CH temper conditions specific to spring performance
• Avoid electrical conductor confusion; emphasize mechanical spring use
• Batch certs essential for consistent alloy composition