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Ferroalloys: > Ferrosilicon: > Other
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 7202.29.00
Ferrosilicon for Magnesium Production
Special ferrosilicon (78% Si) used in Pidgeon process for magnesium metal production. Falls under HTS 7202.29.00 as unspecified other ferrosilicon grade. Supplied in briquettes or standard lumps for thermal reduction furnaces.
Standard FeSi 45% Lumpy Ferroalloy
FeSi 45% with moderate silicon for general steel deoxidation, classified under HTS 7202.29.00 other ferrosilicon. Common in basic oxygen furnace steelmaking operations. Lump size 10-80mm standard.
High-Carbon Ferrosilicon 72%
Ferrosilicon 72% with higher carbon content for specific foundry applications, under HTS 7202.29.00. Used where carbon recovery in cast iron is beneficial. Typical C content 0.1-0.2%.
FeSi 75% for Electrode Manufacturing
Ferrosilicon 75% grade optimized for welding electrode production, HTS 7202.29.00 other. Low phosphorus/sulfur for clean welds. Ground to specific mesh sizes.
Low-Alumina Ferrosilicon 70%
Ferrosilicon 70% with controlled low alumina (<0.5%) for electroslag remelting steel production. HTS 7202.29.00 classification. Critical impurity control for ultra-clean steels.
Ferrosilicon Briquettes 65% Si
Briquetted ferrosilicon 65% for convenient furnace charging, under HTS 7202.29.00. Binding doesn't constitute 'further working' per chapter notes. Density optimized for steel ladles.
FeSi 90% for Silicon Metal Reduction
High-grade 90% ferrosilicon used in silicon metal production furnaces, HTS 7202.29.00. High purity essential for 98%+ silicon recovery. Large lump size 50-150mm.
Foundry Grade FeSi 75% Crushed
Crushed ferrosilicon 75% (3-10mm) for ductile iron foundries, HTS 7202.29.00. Optimized magnesium recovery in nodular iron production. Low titanium specification.
FeSi 70% Low Phosphorus Grade
Ultra-low P (<0.02%) ferrosilicon 70% for pipe steel production, HTS 7202.29.00. Critical for pipeline quality control. Standard metallurgical grade.
Standard Metallurgical FeSi 60%
60% ferrosilicon standard grade for general deoxidation in steel mills, HTS 7202.29.00 other. Economical choice for large volume steelmaking. 25-75mm lumps.
Premium FeSi 75% for ESR Process
Premium low-impurity FeSi 75% for electroslag remelting (ESR) of tool steels, HTS 7202.29.00. Ultra-clean for aerospace/turbine applications. Trace element control.
Ferrosilicon 75% Grade
Ferrosilicon containing approximately 75% silicon and 25% iron, used primarily as a deoxidizer and alloying agent in steel production. This alloy falls under HTS 7202.29.00 as 'other' ferrosilicon, excluding low-silica varieties specified elsewhere in the heading. It is supplied in lump form typically ranging from 10-100mm.
Ferrosilicon 90% High Purity
High-purity ferrosilicon with 90% silicon content, used in high-grade steel and magnesium production. Classified under HTS 7202.29.00 as other ferrosilicon not meeting low-silica criteria. Typically produced via submerged arc furnace and supplied in crushed form.
Ferrosilicon 65/70 Grade Lumps
Ferrosilicon lumps with 65-70% silicon, commonly used in foundries for iron casting deoxidation. This product is categorized under HTS 7202.29.00 as other ferrosilicon ferroalloys. Standard size range is 10-50mm for optimal furnace feeding.
Atomized Ferrosilicon Powder
Finely atomized ferrosilicon powder (75% Si) used in powder metallurgy and welding electrodes. Still classified as ferrosilicon under HTS 7202.29.00 since atomization doesn't change its essential ferroalloy character. Particle size typically 100-200 mesh.