Heat Recovery Steam Generator Tube from China
Seamless carbon steel tube 89 mm OD for HRSG high-pressure sections. 7304.39.0004 classification for heat exchanger suitable tubes in gas turbine combined cycle plants. Recovers turbine exhaust heat to generate steam.
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
• Specify HRSG zone (HP, IP, LP) affecting material selection and classification proof
• Creep strength data required for high-temperature sections
• Avoid classification with 7304.59 general alloy tubes