Gray Iron Backup Roll for Hot Strip Mill from Japan

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 — Japan → 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

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