Continuous Casting Machine Scale from Mexico

Flaky iron oxide waste accumulated on molds and rollers in continuous casting of steel billets and slabs. Classified as ferrous scale in HTS 2619.00.30.00 for its direct origin from steel manufacturing processes and iron-rich composition. Recycled back into sinter plants to reduce raw material costs.

Duty Rate — Mexico → 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

Include production process flowcharts in entry docs to link scale to specific steel mill operations

Monitor moisture content <10% to prevent heating during ocean transit

Avoid mixing with non-ferrous dross to maintain pure ferrous classification