Cast Iron Soil Stack Pipe 3-inch from Mexico
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 — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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