Corrosion-Resistant Alloy Steel Pipe for Chemical Processing from China
Longitudinally welded duplex alloy steel pipe exceeding 406.4 mm diameter for corrosive chemical transport in industrial plants. HTS 7305.31.60.90 applies to this other large welded alloy tube. Duplex stainless provides pitting resistance in chloride environments.
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
• Specify PREN value (>35 for duplex) in material certs for alloy verification
• Passivation certification required for corrosion warranty claims