💰 Ferrosilicon Price & Quotation Reference

A practical guide to reading ferrosilicon quotes: grade selection, impurity pricing, Incoterms, and the checklist that separates a good quote from a costly mistake.

📋 Which Grade Do You Need? FeSi75 vs FeSi65 vs FeSi45

The first question in any ferrosilicon quotation is grade. Grade is defined primarily by minimum silicon content, but secondary chemistry-carbon, aluminum, phosphorus, sulfur, and manganese-often drives the final price as much as the silicon number.

Within the FeSi75 band, producers further differentiate into sub-grades:

⚖️ How Impurities Affect Pricing

Beyond the headline silicon percentage, four elements drive price adjustments in most ferrosilicon contracts:

🔴 Carbon (C)

Carbon is the most tightly controlled impurity for buyers making low-carbon or stainless steel. Standard FeSi75B allows up to 0.10% C, but some steel mills demand ≤0.05% or even ≤0.03%. Each step down in carbon limit typically adds $20–$50/tonne to the base price because it requires more selective raw-material sourcing and tighter furnace control.

🔵 Aluminum (Al)

Aluminum content matters for electrical steel and certain stainless grades where residual Al affects magnetic properties or surface finish. The standard FeSi75A cap is 1.50% Al, while FeSi75B allows 2.00%. Low-aluminum ferrosilicon (≤1.0% Al) commands a premium in specialty steel contracts and is increasingly requested by European automotive steel producers.

🟡 Phosphorus (P) & Sulfur (S)

Both are detrimental to steel toughness and weldability. Most standard contracts specify P ≤ 0.04% and S ≤ 0.02%. For high-performance spring steel or tool steel, buyers may require P ≤ 0.03% and S ≤ 0.015%. Meeting these tighter limits requires higher-purity quartz and scrap inputs, adding $15–$30/tonne.

🟢 Size Fraction

Standard mill-size lump is 10–50 mm or 10–100 mm. Fines (0–3 mm or 0–10 mm) are cheaper because they require no crushing, but they are unsuitable for ladle addition and are mainly used in powder applications or dense-medium plants. Custom sizing-such as 50–100 mm for specific furnace charging systems-may carry a small premium.

📦 Incoterms Explained: FOB, CIF, and DDP

The Incoterm on your quote determines who pays for freight, insurance, and risk transfer. Ferrosilicon is a dense, high-volume cargo typically shipped in 1-tonne jumbo bags or bulk in 20-foot containers. The choice of term can swing your landed cost by $100–$400/tonne.

✅ Buyer Checklist: Comparing Ferrosilicon Quotes

When evaluating multiple ferrosilicon quotations, use this checklist to ensure you are comparing apples to apples and not missing hidden costs.

🧮 Sample Price Build-Up: From FOB to Landed Cost

Here is a realistic cost build-up for a European buyer importing 100 tonnes of FeSi75B from China on CIF Rotterdam terms, as of mid-2026:

❓ Frequently Asked Questions

What is the typical minimum order quantity (MOQ) for ferrosilicon?

Most Chinese producers quote an MOQ of 20–27 tonnes (one container load) for export orders. Larger mills may negotiate annual contracts with monthly shipments of 100–500 tonnes. For FeSi45 used in dense-medium plants, MOQs can be smaller (5–10 tonnes) because the application is less volume-intensive.

How do I verify the quality of ferrosilicon before payment?

Standard practice is to appoint an independent inspection agency-SGS, Bureau Veritas, or CCIC-to witness weighing and sampling at the loading port. The inspector draws samples, seals them, and sends them to a certified laboratory for chemical analysis. The buyer typically pays the inspection fee ($300–$800 per lot), but the cost is negligible compared with the risk of receiving off-spec material.

Why does FeSi45 cost so much less than FeSi75?

Three reasons: (1) lower silicon content means less energy consumption per tonne-FeSi45 requires roughly 6,000–7,000 kWh versus 8,400–9,000 kWh for FeSi75; (2) less stringent impurity controls; and (3) FeSi45 is used in cost-sensitive applications like dense-medium separation where performance tolerances are wider. The price gap is structural, not cyclical.

Can I get a fixed-price contract for 12 months?

Some producers and traders offer quarterly or semi-annual fixed-price contracts, but 12-month fixed-price deals are rare in ferrosilicon because raw-material and power costs are too volatile. More common is a contract with a base price plus a variable component tied to a published index (e.g., S&P Global Platts ferrosilicon assessment) or Chinese domestic tender prices. Index-linked contracts transfer price risk but require both parties to agree on the reference benchmark.

What packaging options are available?

Standard export packaging is 1-tonne jumbo bags (FIBC) with inner polyethylene liners to prevent moisture absorption. Some buyers request 25 kg paper bags for easier handling in small foundries. Bulk shipment in containers is possible for large-volume buyers with on-site unloading equipment. Moisture-sensitive applications (e.g., powder grades) may require vacuum-sealed packaging at additional cost.

How quickly can ferrosilicon be delivered?

For standard grades with no custom sizing, Chinese producers typically quote 15–20 days from purchase order to port readiness. Ocean transit adds 20–35 days to Europe and 15–25 days to the US West Coast. Custom chemistry or non-standard sizing can extend lead times to 30–45 days. If you have a critical shortage, air freight is technically possible but economically irrational for a dense, low-value-per-kilogram product like ferrosilicon.