Silicon Metal 421

Silicon metal is rich in silicon and is widely used in steel making, casting foundry, aluminium ingot production, purification and other industries. The content of different silicon metal grades varies and their applications are very different. Silicon metal is divided into different grades, such as 553, 441, 411, 421, 3303, 3305, 2202 and so on.

GradeChemical composition(%)
SiFeAlCaP
>
151599.6%0.150.0150.004
220299.5%0.20.20.020.004
220399.5%0.20.20.030.004
250399.5%0.20.030.004
310399.4%0.30.10.030.005
330399.3%0.30.30.030.005
41199.2%0.40.04-0.080.1
42199.2%0.40.1-0.150.1
44199.0%0.40.40.1
55398.5%0.50.50.3

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