Non-Alloy Steel Heat Exchanger Tube OD 280mm WT 10.5mm from China
Large seamless tube of non-alloy steel for shell-and-tube heat exchangers, OD 280mm, wall 10.5mm. Classifies in 7304.39.0048 due to seamless form, circular section, non-alloy, and dimensions. U-bend configurations possible post-import for thermal efficiency.
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
• Eddy current test reports required to confirm defect-free seamless structure
• Declare straight lengths; U-bends made domestically avoid reclassification
• Confirm no fins or enhancements that could shift to 7306 worked tubes