Duplex Stainless Steel 18-inch Welded Pipe from Japan
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 — Japan → United States
50%
Rate breakdown
9903.82.0250%Except as provided for in headings 9903.82.14, 9903.85.67 and 9903.85.68, articles of aluminum, of steel or of copper and derivative aluminum or steel articles, as provided for in subdivisions (c)(i)–(v) of U.S. note 16 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
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