Seamless Alloy Steel Boiler Tube 14-inch OD from China
A seamless tube made from alloy steel with a circular cross-section, outside diameter of 355 mm, and wall thickness of 10 mm, designed for high-pressure steam boilers in industrial power plants. It falls under HTS 7304.59.80.60 due to its seamless construction, alloy steel material, OD between 285.8 mm and 406.4 mm, and thin wall less than 12.7 mm. These tubes withstand extreme temperatures and pressures without welding seams.
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
• Verify chemical composition certificate to confirm alloy steel status and avoid reclassification to carbon steel headings
• Ensure mill test reports document seamless process, OD (285.8-406.4 mm), and wall thickness under 12.7 mm for customs compliance