Super Duplex Stainless Welded Large Pipe from Mexico
Super duplex 2507 stainless steel longitudinally welded pipe, 24-inch OD, extreme corrosion resistance for seawater injection lines. Classifies under HTS 7305.31.60.10 specifications.
Duty Rate — Mexico → United States
10%
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
• Ferrite content (40-60%) verification via metallographic examination
• Charpy impact test results at -46°C for subsea qualification
• HIC/SSCC resistance certificates for sour service environments