Heat Exchanger Seamless Pipe API 5L X52 from China
High-strength seamless non-alloy steel pipe with OD over 285.8 mm, engineered for heat exchangers in refining processes. Meets HTS 7304.39.0008 criteria: seamless, circular, iron/non-alloy steel, and suitable for heat exchangers/condensers. Used in petrochemical plants for efficient heat transfer.
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
• Include API 5L inspection reports proving seamless integrity; welded equivalents are common misclassifications
• Declare end-use in heat exchangers via buyer contracts to justify the specific subheading
• Watch for anti-dumping duties on certain steel origins; pre-check country-specific tariffs