Cast Iron Hub and Spigot Soil Pipe 4-inch from China
A 4-inch diameter cast iron pipe with hub and spigot joints designed specifically for soil and waste drainage systems in buildings. It falls under HTS 7303.00.00.30 as a cast iron soil pipe used for conveying sewage and wastewater vertically through plumbing stacks. The hub-and-spigot connection allows for easy assembly with leaded joints.
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
9903.88.0325%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
• Verify pipe meets ASTM A74 standards for hub and spigot cast iron soil pipe to ensure compliance with US plumbing codes
• Include mill test reports certifying material composition and pressure ratings in import documentation
• Avoid misclassification as general cast iron pipes (7303.00.00.60); specify 'soil pipe' on commercial invoice