Cast Iron Soil Pipe 4-inch Diameter from Canada
A 4-inch diameter cast iron pipe used in plumbing systems for drainage, waste, and vent applications. It falls under HTS 7303.00.00 as it is a hollow profile made entirely of cast iron, designed for conveying sewage and wastewater in residential and commercial buildings.
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 cast iron composition via material certificates to avoid reclassification as steel pipes under Chapter 73 headings like 7306
• Ensure compliance with ASTM A888 standards for soil pipes; provide test reports for wall thickness and coating to prevent delays