Ductile Iron Grooved End Coupling from Mexico
Cast ductile iron coupling with roll-grooved ends for mechanical pipe joining. Under HTS 7307.19.90.80 as other cast fittings despite grooving. Used in fire protection systems.
Duty Rate — Mexico → United States
56.2%
Rate breakdown
9903.82.0250%Except as provided for in headings 9903.82.14, 9903.85.67 and 9903.85.68, articles of aluminum, of steel or of copper and derivative aluminum or steel articles, as provided for in subdivisions (c)(i)–(v) of U.S. note 16 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• UL/FM listings mandatory for fire protection use
• Groove dimensions per CWP/AWWA specs
• Separate from Victaulic-style retainers which may be 7307.99