Grade 4340 Small Diameter Seamless Tubing from China
High-tensile 4340 alloy steel seamless tubes under 38.1 mm OD for automotive roll cages and suspension components. Classified HTS 7304.59.80.10 for other alloy steel seamless pipes.
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
• Heat treatment condition (normalized/annealed) must be documented; DOT compliance for automotive use; bundle securely to prevent diameter distortion