Duplex Stainless Steel Welded Pipe 4-inch from China
High-strength duplex stainless (e.g., 2205) welded pipe, 4-inch with wall thickness ≥1.65 mm for offshore platforms. Still HTS 7306.40.50 as all stainless steel welded circular tubes qualify.
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
• Duplex requires PREN value documentation (pitting resistance equivalent number)
• Confirm welding consumables match base metal to prevent segregation issues
• Oil/gas importers often misclassify under API 5L pipe specifications