Silicon (Si)


Silicon is a metalloid with symbol Si. It was first isolated as a pure element at the beginning of XIV Century, and its name was created from the Latin “silex” (hard stone). Over 90% of the Earth’s crust is composed of silicate minerals, making Silicon the second most abundant element in the Earth’s crust (about 28%). Most Silicon is used commercially without being separated, and often with little processing of the natural minerals. Elemental silicon also has a large impact on the modern world economy. Silicon is in fact used in the Steel refining, Aluminium casting, solar, electronics and chemical industries. Almost 70% of the world’s Silicon is produced in China. Other large producers are Russia, Norway, Brazil and USA.


Aluminium-Silicon alloys (called Silumin Alloys) are heavily used in the Aluminium alloy casting industry, where Silicon is the most important additive to Aluminium improving its casting properties. Since Aluminium castings are widely used in the automobile industry, this application is thus the largest industrial use (about 55% of the total) of “metallurgical grade” pure Silicon. Silicon’s importance in Aluminium casting is given by its significant presence (about 10%) inside Aluminium alloys and its power to improve such properties as hardness, flexibility, thermal resistance, etc.



Silicon Ore & Concentrate | Silicon Primary & Refined | Silicon Alloys | Silicon Scrap & Waste.


Below are listed the Silicon-based Products we currently deal with.

Silicon Ores & Concentrates

Silica Ore, Silica Concentrate.

Silicon Primary & Refined

Si 1101, Si 2202, Si 3303, Si 441, Si 421, Si 553, Si 98, Si 97, Si 95, Si Off-grades.

Silicon Alloys

FeSi Alloy, SiMn Alloy, FeSiMn Alloy.

Silicon Scrap & Waste

Silicon Slag, Silicon Steel Scrap (CRGO).


About ARDEVUR Commodities

ARDEVUR is an international trading house dealing in a diversified range of metal products for industry. Acting synergically with mining, recycling, diecasting, and other metal-processing sectors, ARDEVUR has its strengths in a flexible business model and a diversified global network.

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