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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If melted and cast into flat-rolled silicon steel
Processed into semi-finished steel products changes from ferroalloy to Chapter 72 steel.
If custom blends with rare earths
Proprietary metallurgical additives classify as chemical mixtures.
If pure silicon compounds without iron
Iron-free silicon derivatives are inorganic chemicals.
Not sure which classification is right?
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Import Tips & Compliance
• Sample chips from multiple batches for uniform silicon % declaration
• Note chip size range (e.g
• 3-10mm) to match commercial specs
• Anti-dumping duties may apply; check origin-specific rates
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
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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.