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