Duplex 2205 Stainless Steel Square Billet
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.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If round or other non-square cross-section
Only square cross-section semi-finished stainless uses 7218.99.0015; circular moves to other 7218.99 subheadings
If considered angle, shapes or sections
Semi-finished products resembling angles or special profiles classify under 7222.40 for stainless
If forged rather than rolled
Forged stainless bars/rods, even semi-finished, may fall under 7214 if hot-worked by forging process
Not sure which classification is right?
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Import Tips & Compliance
• Certify duplex microstructure via ferrite/austenite balance tests; document exact cross-sectional area with diagrams; segregate from carbon steel to prevent mix-classification
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