Alloy Steel Boiler Tube for Power Plants from China
Seamless tubes of alloy steel, 177.8 mm OD and 28 mm wall thickness, designed for superheated steam conveyance in utility boilers. Classified in 7304.59.80.40 as seamless, alloy, circular, within OD limits, thick-walled.
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
• Provide hydrostatic test results proving pressure integrity for boiler applications
• Avoid misclassification as line pipe (7304.29/59.10); specify non-API 5L grades
• Include heat treatment records showing normalized/annealed condition