Ferrosilicon 72% FeSi Lumps
Standard ferrosilicon alloy with 72% silicon content in irregular lump form, widely used in foundries for silicon addition and slag formation in iron casting. Classified under HTS 7202.29.0050 as unspecified 'other' ferrosilicon. Typical size range is 10-50mm for optimal furnace feeding.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If maximum silicon content does not exceed 75%
The 7202.21 subheading specifically covers ferrosilicon up to 75% silicon, taking precedence over the 'other' category.
If chemically pure silicon >99%
Pure silicon carbide or elemental silicon is classified in Chapter 28 as inorganic chemicals, not ferroalloys.
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Import Tips & Compliance
• Verify compliance with steel industry standards like ISO 5445 for ferrosilicon grading; use moisture-proof bags or containers to prevent degradation; include safety data sheets for hazardous material handling during customs clearance
Related Products under HTS 7202.29.00.50
Electrolytic Ferrosilicon 85%
High-grade ferrosilicon 85% produced via electrolytic process for ultra-low impurity levels in ESR steelmaking. 'Other' under HTS 7202.29.0050. Vacuum arc remelting compatible.
Ferrosilicon Rare Earth Master Alloy
Ferrosilicon 70% base with 1-3% rare earth elements (Ce/La) for steel inclusion modification. HTS 7202.29.0050 as complex 'other' ferrosilicon. Improves fatigue resistance.
Ferrosilicon 75% Grade Standard
Ferrosilicon containing approximately 75% silicon and 25% iron, used primarily as a deoxidizer and alloying agent in steel production. This alloy falls under HTS 7202.29.0050 as 'other' ferrosilicon not specified elsewhere in the ferrosilicon subheading. It is supplied in lump form typically ranging from 10-100mm.
High-Purity Ferrosilicon 90% Grade
Premium ferrosilicon with 90% silicon content and minimal impurities, used in high-grade steel and superalloy production requiring precise silicon control. Falls under HTS 7202.29.0050 as 'other' ferrosilicon beyond standard grades. Supplied in smaller lumps or crushed form for specialty applications.
Ferrosilicon 65% Foundry Grade
Ferrosilicon alloy with 65% silicon specifically blended for foundry applications in ductile iron production, aiding nodulization. Classified as 'other' ferrosilicon under HTS 7202.29.0050 since it doesn't match specific silicon percentage subheadings. Commonly packaged in 1MT big bags.
Atomized Ferrosilicon Powder 75%
Finely atomized ferrosilicon powder with 75% silicon content, used in powder metallurgy and as a raw material for silicon-based compounds. Meets HTS 7202.29.0050 definition for 'other' ferrosilicon despite powder form, as not further worked beyond atomization. Particle size typically <100 mesh.