Manufacturers Supply With High Pure Silicon Metal 441/421/553/2202/97 For Steelmaking
What is metal silicon
Silicon metal is also called industrial silicon or crystalline silicon. It is silver gray with metallic luster,when be processed into powder the colour is dark gray. It has high melting point,good heat resistance and high resistivity.It is usually used in electro, metallurgy and chemical industry.It is the indispensable essential raw material in the hi-tech industry.
Silicon metal manufacturing process
1.In China, Silicon metal lump is widely used in smelting alloy elements,as a reducing agent in many kinds of metal smelting.
2.Silicon metal lump widely applied to refractory material and power metallurgy industry to improve the heat resistance, wear resistance and oxidation resistance.
3. Silicon powder is regarded as alloy additive, improve the steel hardenability in metallurgy and foundry industry.
4.It is mainly used in production of alloys,polycrystalline silicon,organic silicon materials and high-grade refractor .
Metallurgical grade silicon metal specification
| Grade | Chemical Composition(%) |
| Si | Fe | AI | Ca |
| Silicon metal 553 | 98.5% | 0.5% | 0.5% | 0.3% |
| Silicon metal 553 | 99.0% | 0.5% | 0.5% | 0.3% |
| Sillion metal 3303 | 99.3% | 0.3% | 0.3% | 0.03% |
| Sillion mental 2202 | 99.5% | 0.2% | 0.2% | 0.02% |
| Sillion mental 1101 | 99.7% | 0.1% | 0.1% | 0.01% |
| Off grade Sillion | 96.0% | 2.0% | 1.0% | 1.0% |
Silicon metal uses
Mainly used in the steel industry and foundry industry.
1. Used in aluminum: An additive to aluminum alloys, silicon is used to increase the fluidity and tenacity of Aluminum and its alloys, which enjoy good castability and weldability accordingly.
2. Used in organic chemicals: Silicon metal lump is used in manufacturing a number of sorts of silicones, resins, and lubricants.
3. Used in electronic parts: Silicon metal lump is used in producing monocrystalline and polycrystalline silicon of high purity for electronic parts, such as semi conductors, etc.
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· 20 years experience. And our ferrochrome low carbon ISO approved.
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