2619.00.30.00/Mill Scale from Hot-Rolled Steel Production/China

Mill Scale from Hot-Rolled Steel Production from China

Mill scale is the flaky surface of hot-rolled steel consisting primarily of iron oxides (Fe2O3 and Fe3O4), formed during the manufacturing process of steel sheets and plates. It falls under HTS 2619.00.30.00 as ferrous scale, a waste product from iron or steel manufacture containing over 50% iron by weight. This material is often collected and recycled for use in sintering processes or as a raw material in steelmaking.

Duty Rate — China → United States

35%

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
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
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Import Tips

• Verify iron content exceeds 50% through assay testing as per statistical notes; provide lab certificates to Customs for classification confirmation

• Ensure documentation distinguishes from granulated slag (HTS 2618) or non-ferrous scalings to avoid misclassification

• Check for hazardous contaminants like oils or heavy metals; may require EPA declarations if exceeding thresholds