Containing by weight more than 90 percent of silicon
Ferroalloys: > Ferrosilicon: > Containing by weight more than 55 percent of silicon: > Containing by weight more than 90 percent of silicon
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 7202.21.90.00
Ferrosilicon 95% Silicon Alloy
Ferrosilicon alloy containing 95% silicon by weight, used primarily as a deoxidizer and alloying agent in steel production to remove oxygen and improve steel quality. This product falls under HTS 7202.21.90.00 because it is a ferroalloy with more than 90% silicon content, exceeding the threshold for high-silicon ferrosilicon classifications. It is typically supplied in granular or lump form for metallurgical applications.
High-Purity Ferrosilicon 92% Granules
Granular ferrosilicon with 92% silicon content, optimized for use in electric arc furnaces to enhance silicon levels in stainless steel and special alloys. Classified under HTS 7202.21.90.00 due to its ferroalloy nature and silicon content surpassing 90% by weight. The granules ensure uniform melting and reaction in molten steel.
Ferrosilicon 93% Lumps for Steel Deoxidation
Lump-form ferrosilicon with 93% silicon by weight, essential for deoxidizing steel melts and preventing porosity in castings. This ferroalloy is specifically classified in HTS 7202.21.90.00 for its high silicon concentration in an iron-silicon matrix. It promotes dense, high-quality steel structures in foundries.
Ultra-High Silicon Ferrosilicon 91% Powder
Powdered ferrosilicon alloy at 91% silicon content, used in powder metallurgy and as a reducing agent in ferroalloy production. It qualifies for HTS 7202.21.90.00 as a ferrosilicon product exceeding 90% silicon by weight, in finely milled form for precise dosing.
Ferrosilicon 94% for Stainless Steel Alloying
High-grade ferrosilicon with 94% silicon, tailored for alloying austenitic stainless steels to achieve desired chromium-silicon balances. This product is under HTS 7202.21.90.00 for ferrosilicon alloys with silicon content over 90% by weight. It ensures superior corrosion resistance in final steel products.
92% Ferrosilicon Briquettes
Briquetted ferrosilicon containing 92% silicon by weight, compacted for efficient handling and reduced dust in steel plant operations. Classified in HTS 7202.21.90.00 as high-silicon ferrosilicon, where briquetting does not alter the base alloy classification. Ideal for automated feeding systems.
95% Silicon Ferrosilicon for Foundry Use
Ferrosilicon alloy at 95% silicon purity for foundry applications in gray iron production, acting as an inoculant for graphite formation. HTS 7202.21.90.00 applies to this ferroalloy due to its iron-silicon composition exceeding 90% silicon threshold. Supplied in standard lump sizes for melting furnaces.
High-Silicon Ferrosilicon 90.5% Chips
Chipped ferrosilicon with 90.5% silicon content, used in secondary steelmaking for quick dissolution and silicon adjustment. This product meets HTS 7202.21.90.00 criteria as ferrosilicon over 90% silicon by weight, processed into chip form for rapid reaction kinetics.
Ferrosilicon 96% Premium Grade
Premium ferrosilicon alloy boasting 96% silicon by weight, utilized in high-end superalloys and silicon-electrical steel manufacturing. HTS 7202.21.90.00 covers this high-purity ferroalloy segment for its defining silicon dominance. Low impurities ensure minimal contamination in specialty melts.
91% Ferrosilicon for Electrode Production
Ferrosilicon with 91% silicon content, key raw material in submerged arc furnace electrodes for further ferroalloy manufacturing. Falls under HTS 7202.21.90.00 as high-silicon ferrosilicon alloy. High density supports electrode integrity under extreme furnace conditions.
Ferrosilicon 93% Standard Lumps
Standard lump ferrosilicon graded at 93% silicon by weight, widely used across steel and cast iron industries for general silicon addition. HTS 7202.21.90.00 designation reflects its position in the ferrosilicon hierarchy for >90% silicon content. Reliable workhorse material for bulk alloying.
94% Ferrosilicon Atomized Powder
Atomized ferrosilicon powder with 94% silicon, applied in thermal spraying and metal matrix composites for wear-resistant coatings. Classified HTS 7202.21.90.00 for high-silicon ferrosilicon in specialized powder morphology. Fine particle size enables uniform deposition.
Ferrosilicon 92% for Ductile Iron
92% silicon ferrosilicon used as a base for inoculants in ductile iron production, promoting spheroidal graphite formation. HTS 7202.21.90.00 captures this ferroalloy due to silicon >90% specification. Essential for enhancing iron ductility and machinability.
97% Ferrosilicon Ultra Grade
Ultra-grade ferrosilicon at 97% silicon content for the most demanding electrical steel and superalloy applications requiring maximum purity. Under HTS 7202.21.90.00 as the pinnacle of high-silicon ferrosilicon alloys. Ultra-low tramp elements ensure premium performance.
90.2% Ferrosilicon Foundry Granules
Foundry granules of ferrosilicon containing exactly 90.2% silicon by weight, optimized for precise addition in small furnace batches. HTS 7202.21.90.00 applies as it meets the >90% silicon ferrosilicon definition threshold. Granule form aids metering accuracy.