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
50%
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
• 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