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%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
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