Large Diameter Alloy Welded Pipe for Offshore Oil Platforms from China
Longitudinally welded high-strength alloy steel pipe over 406.4 mm OD for jacket legs and risers in offshore oil platforms. Classified in HTS 7305.31.60.90 as other large-diameter welded alloy tubes. Designed to withstand marine corrosion and high cyclic loads.
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
• API 5L certification mandatory; include DNV or ABS approvals for marine use
• Specify if normalized or quenched/tempered for proper alloy identification