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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If ferrosilicomagnesium alloys for ductile iron
Addition of magnesium changes classification to specific complex ferroalloys.
If processed into calcium-silicon cored wire filler
Cored wire additives with other chemicals move to salts of inorganic acids.
If ferroalloys from uranium depletion slags
Certain metallurgical slags with high silicon are Chapter 26 wastes.
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Import Tips & Compliance
• Provide foundry-grade certifications distinguishing from lower-purity grades
• Include trace element analysis (Al, Ca) as they influence performance but not HTS heading
• Schedule inspections for high-value lots to confirm no pre-entry degradation
Related Products 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.