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Corrosion-Resistant Alloy Steel Pipe for Desalination Plants from China

Longitudinally welded duplex alloy steel pipe over 406.4 mm for seawater intake in desalination facilities. HTS 7305.31.60 for large-diameter welded alloy tubes with circular section. UNS S31803 grade for chloride resistance.

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

PREN value documentation (>35 for duplex) proves alloy status

Specify 'other, not seamless' clearly