AISI 631 Spring Temper Stainless Wire from China
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 — China → United States
35%
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
9903.91.0125%Effective with respect to entries on or after September 27, 2024, articles the product of China, as provided for in subdivision (b) of U.S. note 31 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