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Gray Iron Backup Roll for Hot Strip Mill from Mexico

Heavy-duty gray iron backup roll supporting work rolls in hot strip rolling mills to produce wide steel strips. Classified under HTS 8455.30.0015 for gray iron rolls weighing 2,268-6,803.9 kg used in metal-rolling operations. Essential for maintaining roll alignment and pressure in high-temperature steel production.

Duty Rate — Mexico → United States

15%

Rate breakdown

9903.82.1015%Except as provided for in headings 9903.82.12, 9903.82.17 and 9903.85.68, derivative aluminum and steel articles with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 15 percent, as provided for in subdivision (f) 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

Provide engineering drawings showing roll dimensions and mounting for rolling mills to substantiate classification

Conduct metallurgical analysis to confirm gray iron microstructure, preventing shifts to ductile iron categories

Declare as complete rolls, not parts, to avoid breakdown into Chapter 84 accessories