Railway Buffer Spring from Canada
Heavy coil spring for railway buffer systems absorbing end-of-car impacts. Classified HTS 8607.99.50.00 as other parts for rolling stock. Ensures train stability during coupling.
Duty Rate — Canada → United States
13.1%
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
• Spring rate/load deflection curve documentation required
• Material certs (e.g
• chrome-silicon steel) for fatigue proof
• Coil diameter specs prevent generic spring classification