Ferrosilicon 65% Lumpy Form FeSi65
Ferrosilicon 65% in lumpy form contains 65% silicon by weight with iron balance, typically sized 10-100mm, used in steelmaking for silicon addition and deoxidation. Classified under HTS 7202.21.50.00 as 'other' ferrosilicon with 55-80% silicon, not fitting standard granulated or specific alloy subcategories. Its irregular lump shape suits electric arc furnace feeding.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If in granulated form under 3.2 mm
Granulated ferrosilicon (smaller particle size) has a dedicated subheading separate from lumpy or 'other' forms.
If ferrosilicomanganese alloy
Addition of manganese changes classification to ferrosilicomanganese category regardless of silicon percentage.
If ferroalloy slag or waste containing silicon
Ferrosilicon production residues or low-grade silicon-bearing slags are classified as other mineral wastes.
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Import Tips & Compliance
• Provide particle size distribution certificates as lumpy form affects handling; ensure lumps exceed 10mm to avoid crushing classification
• Declare exact Si, Fe, Al, Ca content per US Note definitions; impurities over 10% may shift to lower silicon subheadings
• Avoid bulk container contamination from moisture, which causes hydrogen evolution and classification disputes
Related Products under HTS 7202.21.50.00
Custom Blend Ferrosilicon 70-75% Mix
Custom Blend Ferrosilicon 70-75% is a plant-specific mix averaging 72.5% silicon, tailored for particular steel chemistry requirements. Classified HTS 7202.21.50.00 as 'other' within 55-80% silicon range, lacking standard grade designation. Batch certificates specify exact blend.
Ferrosilicon 55.5% Borderline Grade
Ferrosilicon 55.5% Grade sits at the minimum threshold with precisely 55.5% silicon by weight, used in cost-sensitive steel alloys. Falls under HTS 7202.21.50.00 as 'other' ferrosilicon >55% up to 80% Si, distinguished from ≤55% category. Tight composition control essential.
Ferrosilicon 78% High-Silicon FeSi78
Ferrosilicon 78% High-Silicon grade approaches 80% limit with 78% Si content, used for maximum deoxidation with minimal iron dilution. HTS 7202.21.50.00 'other' category for 55-80% silicon ferrosilicon. Brittle texture requires careful handling.
Ferrosilicon 75% Grade FeSi75A
Ferrosilicon 75% Grade FeSi75A is an alloy containing approximately 75% silicon and 25% iron by weight, used primarily as a deoxidizer and alloying agent in steel production. It falls under HTS 7202.21.50.00 as ferrosilicon with silicon content between 55% and 80%, classified as 'other' since it does not meet specific subheadings for standard grades. This granular or lump form alloy is essential for controlling oxygen levels in molten steel.
High-Purity Ferrosilicon 72% FeSi72B
High-purity Ferrosilicon 72% FeSi72B has 72% silicon with low aluminum (<1%) and calcium (<0.5%), optimized for high-quality steel and stainless production. It qualifies for HTS 7202.21.50.00 as ferrosilicon containing 55-80% silicon in the 'other' category, distinguished by its impurity profile. Used in ladle metallurgy for precise alloying.
Ferrosilicon 60% Standard Grade FeSi60
Standard Ferrosilicon 60% contains 60% silicon by weight, balanced with iron and minor elements, commonly used in gray iron casting and mild steel production. Under HTS 7202.21.50.00, it is 'other' ferrosilicon with silicon between 55-80%, not specified under granulated or calcium-bearing types. Available in crushed or natural lump sizes.