Ferrosilicon Zirconium Inoculant from China
Ferrosilicon-based inoculant alloy containing zirconium additions (typically 2-5%) for gray iron casting microstructure control. Classified under HTS 7202.29.0050 as 'other' ferrosilicon since base is ferrosilicon with minor alloying elements. Used in small quantities per melt.
Duty Rate — China → United States
37.5%
Rate breakdown
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)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Document zirconium content precisely to distinguish from standard ferrosilicon; use tamper-evident packaging for trace element consistency; comply with foundry alloy traceability requirements