Prestressed Concrete Filled Steel Sleeper from Mexico
Steel sleeper reinforced with prestressed concrete filling for enhanced durability in heavy-duty rail lines. Classified under HTS 7302.90.1000 as iron or steel sleepers specialized for railway track fixing and support. Hybrid design combines steel strength with concrete stability.
Duty Rate — Mexico → United States
10%
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 engineering specs showing concrete-steel integration for rail use; ensure DOT or FRA approval documentation; watch for reclassification if concrete predominates as building material