Cold-Rolled Seamless Heat Exchanger Tube SA-213 TP316 from China
Cold-rolled seamless tube from TP316 alloy steel, optimized for heat exchangers and condensers in refining processes. Its enhanced molybdenum content provides superior resistance to pitting and corrosion in harsh environments. Falls under 7304.51.50.45 for cold-formed alloy steel tubes designated for 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
• Provide mill test reports confirming chemical composition and mechanical properties matching SA-213 TP316 specs
• Label tubes clearly with alloy grade and dimensions to facilitate customs inspection and avoid duty disputes