Grey Iron Pipe Union 4 Inch from China

Large 4-inch grey cast iron union for municipal water mains and drainage systems. Classified in HTS 7307.19.90.30 for other cast unions, providing robust, corrosion-resistant joints. Features mechanical joint ends for easy field assembly.

Duty Rate — China → United States

41.2%

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
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)

Import Tips

Heavy fittings require proper packing declarations to avoid damage claims

Distinguish from flanged fittings by noting union nut design in photos/descriptions

Comply with Buy America for US projects by documenting foreign origin separately