Cast Iron Sag Mill Grinding Media Balls from Mexico
Heavy-duty cast iron balls for SAG and AG mills, featuring domed surfaces for optimal cascading action. HTS 7325.91.00.00 covers these as similar articles for mills due to cast iron composition and grinding function. Essential for primary grinding stages in copper/gold mining.
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
• Include drop-test and impact toughness certificates (e.g
• >12kJ energy absorption) to validate mill-grade quality
• Declare exact alloy composition to avoid alloy steel misclassification under different MFN rates