Chrome-Moly Cast Grinding Balls for Cement Mills from Mexico
Chromium-molybdenum alloy cast balls optimized for cement clinker grinding in tube mills. Their cast structure and mill-specific design place them under HTS 7325.91.00.00. Provide extended wear life in high-abrasion environments.
Duty Rate — Mexico → United States
52.9%
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
• Use heat treatment records showing microstructure (martensite + retained austenite) for classification support
• Segment declarations by size fractions for accurate statistical reporting