Cast Iron Soil Stack Pipe 3-inch from Canada
3-inch diameter cast iron pipe engineered for vertical soil stacks in multi-story buildings to carry waste from plumbing fixtures to sewers. HTS 7303.00.00.30 applies as it's a specialized soil pipe with thick walls for structural support and durability. Typically features hubless or hub-and-spigot ends.
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
• Ensure pipes are marked with 'CI' casting symbol and size per ASTM standards for customs verification
• Obtain plumbing engineer specifications confirming DWV use to support soil pipe classification
• Beware length restrictions; pipes over 20ft may require special crating and higher freight classification