AISI 439 Ferritic Stainless Square Billet
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.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | +50.0% | 50% |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
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Steel · Required
Global Affairs Canada: GAC Steel (Specialty Steel) requires review / declaration data. CBSA's Single Window matching criteria match this classification number (Within Range 7218000000–7224999999).
CBSA Single Window matching criteria, unknown
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the billet has a rectangular (non-square) cross-section
Semi-finished stainless steel of rectangular cross-section is classified under 7218.91.
If the billet is rolled into bars of other shapes
Stainless steel bars of other shapes fall under heading 72.22.
If the billet is rolled into other flat-rolled products
Other flat-rolled stainless steel products are classified under 7220.90.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• 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
Related Products under Tariff item 7218.99.00
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