Tungsten Smelting Slag from China

Residue from the smelting process of tungsten ores, primarily consisting of tungsten compounds and minor metal impurities. Classified under HTS 2620.99.20.00 as slag containing mainly tungsten, used in industry for metal recovery or chemical manufacturing. Excludes iron/steel production residues.

Duty Rate — China → United States

38.8%

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)

Import Tips

Provide assay certificates verifying tungsten as the main metal content per statistical notes

Ensure documentation proves industrial use for metal extraction to avoid misclassification

Avoid common pitfalls like confusing with municipal waste ash (HTS 2621)