Duplex Stainless Steel 18-inch Welded Pipe from China
Duplex 2205 stainless steel longitudinally welded pipe, 457 mm OD, high strength for subsea oil/gas flowlines. HTS 7305.31.60.10 classification for large welded stainless tubes.
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
• PREN value (pitting resistance) certification ≥35 for duplex verification
• Weld procedure qualification record (WPQR) required for pressure piping
• Magnetic permeability test confirms duplex microstructure vs austenitic