T9 Feedwater Heater Tube OD 35mm from China
Seamless ASTM A213 T9 alloy steel tube, 35 mm OD, for feedwater heaters in thermal power stations. High chromium content resists oxidation in preheated water systems. 7304.59.20.40 applies to its small diameter and designated heater application.
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
• Conduct 100% PMI testing; customs increasingly verifies alloy composition
• Provide U-bend configuration details if applicable, but straight tubes only here