</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Seamless Alloy Heat Exchanger Tube 76mm OD from China

High-performance seamless tube of alloy steel, 76 mm outside diameter, engineered for heat exchangers in industrial applications. Its alloy composition provides corrosion resistance and strength under thermal stress, qualifying it for HTS 7304.59.20.45 due to size and specified end uses like 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

Include engineering specs and end-use declarations proving suitability for heat exchangers to prevent scrutiny

Verify chemical composition meets alloy steel definitions per Chapter 73 notes; label with exact OD measurements