Super Duplex 2507 Welded Tube 300 mm OD from Japan
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 — 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
• 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