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FeSiCa 65/6 Nodularizer Alloy from Japan

High-calcium ferrosilicon with 65% Si and 6% Ca content, specifically formulated for magnesium treatment in ductile iron foundries. Falls under HTS 7202.21.10.00 as ferrosilicon 55-80% Si with >3% calcium per U.S. note specifications. Distributed in sealed moisture-proof containers.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

Import Tips

Customs requires certificates of analysis showing exact Ca/Si ratios; digital spectro reports preferred

Declare proper UN 1408 hazardous class for ferrosilicon transport to avoid delays

Avoid pitfall of declaring as scrap (7204); must prove virgin production origin