Alloy 825 Heat Exchanger Tube from China
Welded nickel-iron-chromium alloy 825 tubes (stainless steel per tariff definition) with heavy walls for severe corrosive heat exchanger service in chemical plants. Excellent resistance to sulfuric acid. Classified HTS 7306.40.50.15 for heat exchanger use.
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
• Verify stainless steel status via chromium content ≥1.2% per Chapter Note
• Provide corrosion test data supporting chemical process end-use
• Confirm if alloy composition triggers separate nickel product tariffs