Super Duplex 2507 Welded Tube 300 mm OD from China
Super duplex 2507 (S32750) stainless welded tube, 300 mm OD, 5 mm wall for extreme corrosion environments like desalination. HTS 7306.40.50.90 for stainless welded circular tubes, other sizes. Premium grade for harsh conditions.
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
• Super duplex requires PREN >40 certification (Pitting Resistance Equivalent Number)
• NDT reports (radiography) essential for weld quality verification
• Small lots may face higher scrutiny for commercial vs industrial use