European Silicon Metal Prices: Grades, Supply and Drivers
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What Silicon Metal Is
Silicon metal is produced by reducing quartz with carbon in a submerged arc furnace, giving a product of typically 98% to 99% silicon. It is distinct from ferrosilicon, which is an iron-silicon alloy with a much lower silicon content.
It is graded by iron, aluminium and calcium content, and the grade number is the sum of those three impurities, so a lower number means a purer product.
The Grades That Are Traded
553: roughly 0.5% iron, 0.5% aluminium, 0.3% calcium, used widely in aluminium alloys.
441: a purer grade for higher-specification alloying and chemical use.
3303 and above: cleaner grades for silicones and specialty applications.
Chemical grade: tightly controlled silicon for silicone production.
Because the price rises with purity, the grade must always be stated with the quotation.
Supply Structure in Europe
Europe relies heavily on imported silicon metal, with major supply originating in China and other producing regions. That import dependence means European prices track global levels plus freight, duty and currency effects.
Energy is the dominant cost in silicon production, so any change in power prices in producing regions feeds through to the European market.
Demand Drivers
The largest outlets are aluminium-silicon casting alloys, silicones and chemical intermediates, with smaller volumes going to semiconductors and specialty uses. Aluminium and automotive cycles therefore drive the bulk of demand, while silicone demand tracks construction, automotive and consumer products.
How to Read a Silicon Metal Quotation
Confirm the grade, the delivery term, the packaging and the lot size before comparing offers. Prices are usually quoted per metric tonne, and the basis, whether delivered or ex-works, changes the landed cost materially.
Request a certificate of analysis with each lot so the delivered grade can be verified against what was agreed.
Frequently Asked Questions
Q: What does the grade number mean?
It is the sum of iron, aluminium and calcium content, so 553 means 0.5% iron, 0.5% aluminium and 0.3% calcium.
Q: Why does Europe import most of its silicon metal?
Because domestic production is limited, so supply comes largely from external producers.
Q: What is silicon metal used for?
Aluminium-silicon alloys, silicones and chemicals, and smaller volumes for semiconductors and specialty uses.
Q: What moves the price most?
Energy costs in producing regions, plus freight, duty and currency effects on imports into Europe.
Q: Is silicon metal the same as ferrosilicon?
No. Ferrosilicon is an iron-silicon alloy, while silicon metal is a much purer silicon product.
