Non-Alloy Seamless Boiler Tube 9-inch OD 22mm Wall from China
Seamless tube of iron or non-alloy steel, 228.6 mm OD with 22 mm wall thickness, for high-temperature boiler applications in power plants. HTS 7304.39.0056 applies to its circular cross-section, seamless manufacture, and dimension specs fitting the heavy-duty tube category. Withstands steam pressures in industrial heating systems.
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
• ASME SA-106 certification required for boiler code compliance; measure wall thickness precisely post-manufacture
• Avoid pitfall of declaring as 'alloy' if carbon steel only
• Submit heat treatment records