7307.19.90.30/Grey Iron Pipe Union 4 Inch/Mexico

Grey Iron Pipe Union 4 Inch from Mexico

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 — Mexico → United States

16.2%

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

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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