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
75%
Rate breakdown
9903.82.0250%Except as provided for in headings 9903.82.14, 9903.85.67 and 9903.85.68, articles of aluminum, of steel or of copper and derivative aluminum or steel articles, as provided for in subdivisions (c)(i)–(v) of U.S. note 16 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
9903.05.900%Articles of aluminum, of steel or of copper or derivative aluminum or steel articles; passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans and cargo vans) and light trucks; parts of passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans and cargo vans) and light trucks; medium- and heavy-duty vehicles; parts of medium- and heavy-duty vehicles; wood products; patented pharmaceutical articles; and semiconductor articles, as provided in subdivision (f) of U.S. note 52 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