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HSChapter 72
U.S. imports of ferrosilicon containing 55% or less silicon (HS 720229) totaled $5.3M in July 2026, traded with 13 countries.
Importers of Ferrosilicon Containing 55% or Less Silicon paid $143K in duties in July 2026 — an effective duty rate of 8.7% on $1.6M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: July 2026 dataLow-silicon ferrosilicon — containing 55% or less silicon by weight — serves as a deoxidizer and alloying agent in steelmaking and foundry operations, with magnesium content driving the split between 7202290010 (over 2% magnesium) and 7202290050 (2% or less magnesium). Canada is the leading US supplier, followed by Thailand, India, Brazil, and Mexico. Ferrosilicon has historically been subject to antidumping duty orders from multiple countries, so importers should verify current order scope and applicable cash deposit rates before contracting supply.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
135 shipments/mo
Subheading 12 of 15 in heading 7202
Subheading 720229 · $5.3M of $229.1M
The US schedule subdivides 7202.29 based on whether magnesium content exceeds 2% by weight. Ferrosilicon with over 2% magnesium (7202290010) is used in specific nodularizing applications in ductile iron production, while the lower-magnesium grade (7202290050) covers the broader deoxidizer and alloying market. Accurate chemical analysis certificates are essential to support the correct subheading declaration.
The US has maintained antidumping duty orders on ferrosilicon from several countries over the years. Importers should check the current scope of active orders with the Department of Commerce and confirm whether their supplier's country of origin and product specifications fall within an order's scope before finalizing purchase agreements, as retroactive duty liability can be significant.
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ImportsExports
Imports
$5.3MYoY · Pro
Exports
$848KYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 7202290010 | Ferrosilicon Ov 2 Pct Magnesium 55 Pct or Ls Silcn | $4.3M | 3.19% | 36.83% | $137K |
| 7202290050 | Ferrosilicon 2 Pct or Ls Magnesium 55 Pct or Ls Si | $1.1M | 0.58% | 5.78% | $6K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 7202290000 | Ferrosilicon, 55 Percent or Less Silicon | $848K |
Import lines come from the U.S. Harmonized Tariff Schedule and export lines from Schedule B. The two are numbered by different agencies, so the same 10-digit code can appear in both tables describing a different product.
Imports · July 2026
origin
Canada and Brazil together supply 89% of it.
customs district
destination
entry
rate provision · imports
69.3% enters free of duty; the effective duty rate is 2.68%.