Ferro alloy
Metallurgical Grade 3303 411 Metal Silicon Metallurgy
Silicon metal is made by smelting silica and carbonaceous reducing agent in the ore furnace. The main component of silicon metal is silicon element, whose content is about 98%, and the other impuri...
DESCRIPTION
Silicon metal is made by smelting silica and carbonaceous reducing agent in the ore furnace. The main component of silicon metal is silicon element, whose content is about 98%, and the other impurities are iron, aluminum, calcium, etc. According to the content of iron, aluminum and calcium, silicon metal can be divided into a variety of specifications, common grades include 553, 441, 411, 2202, 3303 and 3305.
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Grade
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chemical composition
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||||
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Si (%)
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Impurities(%) ≤
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||||
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Fe
|
AI
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Ca
|
P
|
||
|
1101
|
99.79
|
0.1
|
0.1
|
0.01
|
0.004
|
|
2202
|
99.58
|
0.2
|
0.2
|
0.02
|
|
|
2502
|
99.48
|
0.25
|
0.25
|
0.02
|
|
|
3303
|
99.37
|
0.3
|
0.3
|
0.03
|
|
|
411
|
99.4
|
0.4
|
0.1
|
0.1
|
|
|
421
|
99.3
|
0.4
|
0.2
|
0.1
|
|
|
441
|
99.1
|
0.4
|
0.4
|
0.1
|
|
|
551
|
98.9
|
0.5
|
0.5
|
0.1
|
|
|
553
|
98.7
|
0.5
|
0.5
|
0.3
|
|
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