Ductile Cast Iron Coupling 6-inch from Canada
A straight cast iron coupling for joining plain-end pipes in underground water mains. HTS 7307.19.90.80 applies to this other cast fitting of iron, suitable for municipal water distribution. Features higher tensile strength than gray iron.
Duty Rate — Canada → United States
16.2%
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
Import Tips
• Include nodularity test reports for ductile iron verification per ASTM A536
• Declare exact ID/OD dimensions; mismatches lead to customs holds
• Avoid declaring as 'ductile iron pipe' which falls under Chapter 73 pipe headings