Pressure Piping Alloy Steel Tube 14.5-inch OD from China
Seamless 14.5-inch (368 mm) OD tube from 2.25Cr-1Mo alloy steel, 10.5 mm wall, for high-pressure process piping in fertilizer plants. Matches HTS 7304.59.80.60: other alloy steel, seamless circular, specified OD range, thin wall. Provides excellent resistance to hydrogen attack.
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
• Include API 5LC certification for hydrogen service to support classification
• Weigh samples for wall thickness verification; under-declaration risks penalties
• Separate from structural tubes (7306); emphasize pressure vessel use