price of grade 553 441 1101 silicon metal

Gr ade

Composition

Si Content(%)

Impurities(%)

Fe

Al

Ca

P

1501

99.69

0.15          

0.15

0.01

≤0.004%

1502

99.68

0.15

0.15

0.02

≤0.004%

1101

99.79

0.1

0.1

0.01

≤0.004%

2202

99.58

0.2

0.2

0.02

≤0.004%

2502

99.48

0.25

0.25

0.02

≤0.004%

3303

99.37

0.3

0.3

0.03

≤0.005%

411

99.4

0.4

0.1

0.1

≤0.005%

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

-