TP321 Stainless Feedwater Heater Tube from Japan
Seamless TP321 stabilized stainless steel tube for high-pressure feedwater heaters in thermal power stations, resistant to intergranular corrosion. Circular cross-section engineered for deaeration and preheating processes. Qualifies for 7304.49.0045 due to feedwater heater suitability and seamless stainless steel makeup.
Duty Rate — Japan → United States
10%
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
Import Tips
• Certification of titanium stabilization essential for TP321 to prevent weld decay in heater service
• Include design pressure/temperature ratings matching feedwater heater specs (typically 100-200 bar)