Cast Iron Hub and Spigot Soil Pipe 4-inch from Canada
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 — Canada → United States
10%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
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