Designation

Chemical Compostion %

Si

Al

Ca

Mn

Cr

P

S

C

Range

MAX

FeSi90A11.5

87.0-95.0

1.5

1.5

0.4

0.2

0.04

0.02

0.2

FeSi90A13

87.0-95.0

3.0

1.5

0.4

0.2

0.04

0.02

0.2

FeSi75A10.5-A

74.0-80.0

0.5

1.0

0.4

0.3

0.035

0.02

0.1

FeSi75A10.5-B

72.0-80.0

0.5

1.0

0.5

0.5

0.04

0.02

0.2

FeSi75A11.0-A

74.0-80.0

1.0

1.0

0.4

0.3

0.035

0.02

0.1

FeSi75A11.0-B

72.0-80.0

1.0

1.0

0.5

0.5

0.04

0.02

0.2

FeSi75A11.5-A

74.0-80.0

1.5

1.0

0.4

0.3

0.035

0.02

0.1

FeSi75A11.5-B

72.0-80.0

1.5

1.0

0.5

0.5

0.04

0.02

0.2

FeSi75A12.0-A

74.0-80.0

2.0

1.0

0.4

0.3

0.035

0.02

0.1

FeSi75A12.0-B

74.0-80.0

2.0

1.0

0.4

0.3

0.04

0.02

0.1

FeSi75A12.0-C

72.0-80.0

2.0

-

0.5

0.5

0.04

0.02

0.2

FeSi75-A

74.0-80.0

-

-

0.4

0.3

0.035

0.02

0.1

FeSi75-B

74.0-80.0

-

-

0.4

0.3

0.04

0.02

0.1

FeSi75-C

72.0-80.0

-

-

0.5

0.5

0.04

0.02

0.2

FeSi65

65.0-72.0

-

-

0.6

0.5

0.04

0.02

-

FeSi45

40.0-47.0

-

-

0.7

0.5

0.04

0.02

-

Class

Partical Size range mm

Oversize & Undersize %

Common piece

Natural piece

Weight (20*20)does not exceed 8

L

50--350

MAX 10

M

20--200

MAX 10

S

10--100

MAX 10

XS

10--50

MAX 10