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
50%
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
• 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