Other industrial alloys Iron–silicon alloy

Ferrosilicon, 50% silicon

The USGS 50% silicon ferrosilicon grade. Its price series was discontinued in April 2022; unavailable values remain unavailable. The source price unit is cents per pound of silicon content, not per pound of bulk alloy.

Seller reviewEligibility unconfirmed

USGS · Historical annual data

Annual reference

Annual reference · 2025
Ferrosilicon, 50% silicon
NA US cents/lb of silicon2025 · Nominal USD · unavailable
Measure & source notes

Source: CRU Group, transaction prices based on weekly averages. Average spot prices for ferrosilicon, 50% grade, were discontinued in April 2022. (Data in thousand metric tons, silicon content, unless otherwise specified)

United States · Salient Statistics—United States

USGS Mineral Commodity Summaries 2026 ↗Historical annual figures · no current quote or daily change

All annual records & definitions →

Composition

Ferrosilicon · 50% silicon grade

  • Fe: Iron–silicon ferroalloy; Fe percentage is not inferred by subtraction
  • Si: 50% silicon grade; price denominator is pounds of contained silicon

USGS MCS2026 Silicon chapter and footnote 1 distinguish standard 50% and 75% ferrosilicon grades. An alloy quote is not an elemental iron or silicon quote.

Composition source ↗

A material quote is not allocated to its constituent elements.

USGS · Industry reference

Annual price references

Original source units

Published annual prices or unit values for the named material, retaining the original measure and source notes. These figures describe their stated years; they are not a current market quote.

Only the annual price or unit-value measures matching this material are shown here. Explore all silicon annual records →

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No comprehensive recycling-rate series is included. This is a reviewed data release. Automatic USGS refresh is not scheduled.

Market observations are public reference information. SFM buying eligibility and commercial terms are assessed separately for each lot.