Cold-Drawn U-Tube for Heat Exchangers from China
Seamless cold-formed U-shaped carbon steel tube for removable bundles in process heat exchangers, nonalloy steel with 0.8-2.0 mm wall. Designed for thermal expansion in refining service. 7304.31.60.10 classification for cold-reduced tubes in heat exchangers.
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
• Document U-bend radius and leg length specs critical for exchanger fit-up
• Certify cleanliness level for process fluid compatibility