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Duplex 2205 Stainless Steel Square Billet from China

Duplex 2205 (UNS S31803) stainless steel square billet under 232 cm² cross-section, offering high strength and corrosion resistance for oil & gas applications. HTS 7218.99.0015 applies to these semi-finished square-section stainless products before hot working. Used in piping and pressure vessels.

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

Certify duplex microstructure via ferrite/austenite balance tests; document exact cross-sectional area with diagrams; segregate from carbon steel to prevent mix-classification