Galvanized Steel Rain Gutter Downspout Pipe 3.5 inch from China

Seamless 3.5-inch OD galvanized pipe for rain gutter downspouts in residential roofing. HTS 7304.39.0016: seamless iron/nonalloy steel, circular galvanized tube ≤114.3 mm OD. Directs water runoff effectively.

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

Seamless vs spiral welded distinction critical; require manufacturing process docs

Galvanic compatibility certs for roofing systems

Length standards (10-20 ft) prevent 'finished product' shift