AISI 439 Ferritic Stainless Square Billet from United States
AISI 439 stabilized ferritic stainless steel square billet under 232 cm² cross-section, designed for automotive tubing applications. The titanium stabilization improves weldability and corrosion resistance. Classified under tariff item 7218.99.00 as other semi-finished stainless steel products.
Duty Rate — United States → Canada
50%
Rate breakdown
26SUR5050%United States Surtax Order (2026) — 50% on US products
Import Tips
• Verify the titanium-stabilized composition with a mill certificate to confirm AISI 439 grade
• Document the square cross-section and area under 232 cm²
• Ensure the billet is not further worked than semi-finished form