Containing by weight more than 3 percent of calcium
Ferroalloys: > Ferrosilicon: > Containing by weight more than 55 percent of silicon: > Containing by weight more than 55 percent but not more than 80 percent of silicon: > Containing by weight more than 3 percent of calcium
Duty Rate (from China)
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
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)
Products classified under HTS 7202.21.10.00
FeSiCa 65/6 Nodularizer Alloy
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.
FeSiCa 75 Alloy with 5% Calcium
Ferrosilicon alloy containing 75% silicon, over 5% calcium by weight, used primarily as a deoxidizer and inoculant in steel production. Classified under HTS 7202.21.10.00 due to exceeding 55% silicon, 55-80% silicon range, and more than 3% calcium content per chapter note definitions. Supplied in standard 1 MT jumbo bags for foundry applications.
Calcium-Rich FeSi 70/4 Alloy
FeSiCa alloy with 70% silicon and 4% calcium, designed for nodular iron production as a nodularizer. Meets HTS 7202.21.10.00 criteria with silicon between 55-80% and calcium >3% by weight. Typically packaged in 25kg bags or 1MT supersacks for metallurgical applications.
High-Calcium FeSi 78/3.5 Alloy
Premium ferrosilicon alloy at 78% silicon and 3.5% calcium, used for deoxidation in specialty steel grades. Precisely matches HTS 7202.21.10.00 with 55-80% Si and >3% Ca composition. Supplied in bulk or 50kg drums for steel mill consumption.
FeSiCa Deoxidizer 72/4.2
Industrial-grade FeSiCa 72% silicon, 4.2% calcium deoxidizer for continuous casting operations. Classified HTS 7202.21.10.00 due to meeting exact ferrosilicon composition thresholds: >55% Si, 55-80% range, >3% Ca. Packaged in 1-ton flexible intermediate bulk containers.
Nodulizing FeSiCa 68/5 Alloy
Specialty nodulizing ferrosilicon-calcium alloy with 68% Si and 5% Ca for spheroidal graphite iron production. HTS 7202.21.10.00 applies as it contains 55-80% silicon and >3% calcium by weight. Comes in hermetically sealed 25kg PVC bags.