Silicon Metal

Silicon metal is a product smelted in a submerged arc furnace with silica and carbonaceous reducing agent. The main component of silicon is about 98% (in recent years, 99.99% of Si is also listed in silicon metal), and the remaining impurities It is iron, aluminum, calcium, etc. Due to its different uses, it is divided into multiple specifications. According to the content of iron, aluminum and calcium in the silicon metal, the silicon metal can be divided into 553, 441, 411, 421, 3303, 3305, 2202, 2502, 1501, 1101, etc. Different grades.

Application of Silicon Metal:

1. Aluminum alloy industry. Silicon aluminum alloy is a silicon alloy that has the largest demand for silicon metal. Si-Al alloy is a strong compound deoxidizer, as a substitute of pure aluminum in steel making process, it can improve the utilization rate of deoxidizer, purify the molten steel and improve the quality of steel. Aluminum using in automobile and other industries has a very large demand for silicon metal, so the development of a region or a country's automobile industry has a direct impact on the rise and fall of silicon metal market.
2. Additive for non-ferrous alloys. Silicon metal is also used as an alloying agent for silicon steel that has strict requirement, and deoxidizer for smelting special steel and non-ferrous alloy.
3. Photovoltaic and electronics industry. Silicon metal turns into polycrystalline silicon and monocrystalline silicon after a series of processes of purifying, which can be used in photovoltaic and electronics industry. Crystal silicon cell is mainly used in solar rooftop power stations, commercial power stations and urban power stations that have high land cost, they are currently the most mature and widely used solar photovoltaic products, occupying more than 80% of the photovoltaic market in the world, and their demand for silicon metal grows fast significantly. Modern large integrated circuits are mostly made of high purity quasi silicon metal which is also the main raw material for the production of optical fiber, silicon metal has become the basic pillar industry in the information era.

Parameters of Silicon Metal:

ITEM

CHEMICAL COMPOSITION %

Si

Impurity

Fe

Al

Ca

Min

Max

Si 553

98.70

0.50

0.50

0.30

Si 521

99.20

0.50

0.20

0.10

Si 441

99.10

0.40

0.40

0.10

Si 421

99.30

0.40

0.20

0.10

Si 411

99.40

0.40

0.10

0.10

Si 3303

99.37

0.30

0.30

0.03

Si 2202

99.58

0.20

0.20

0.02

Si 1101

99.79

0.10

0.10

0.01

Welcome to send your message to us
*Email
!!
*Content
!
Product Name
Your Name
Company
Tel/Fax.
Msn/Skype