Nonmalleable Cast Iron Threaded Union Fitting from Mexico
A union fitting of nonmalleable cast iron with threaded ends and a nut for easy disconnection of pipe sections. It is under HTS 7307.11.00.30 for cast fittings designed for threaded pipes in maintenance-heavy plumbing. Allows quick assembly and disassembly.
Duty Rate — Mexico → United States
14.8%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Document pressure-temperature ratings per ASME B16.4 for customs and safety compliance
• Separate unions from complete pipe sets in shipments to maintain fitting classification
• Ensure material specs exclude ductile iron, which may classify differently