Incoloy 800H Heat Exchanger Seamless Tube from China
Seamless circular tube from Incoloy 800H nickel-iron-chromium alloy (UNS N08811), classified as stainless steel, for shell-and-tube heat exchangers in petrochemical plants. Provides oxidation resistance up to 1100°C, ideal for refining processes. Meets 7304.49.0045 criteria for heat exchanger suitability and seamless stainless steel form.
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 chemical composition analysis certifying minimum chromium (19-23%) for stainless steel status
• Use engineering drawings showing U-bend configurations if applicable for heat exchanger end-use proof