Si

Al

Ca

P

S

C

Fe

MAX

FeSi75-A

74.0-80.0

1.5

1

0.035

0.02

0.2

Balance

FeSi75-B

72.0-80.0

1.5

1

0.04

0.02

0.2

Balance

FeSi72

72

1.5

1

0.04

0.02

0.2

Balance

FeSi70

70

2

1

0.04

0.02

0.2

Balance

FeSi65

65.0-72.0

1.5

1

0.04

0.02

0.2

Balance

FeSi45

40.0-47.0

2

2

0.04

0.02

0.2

Balance

Application:
1. Ferrosilicon is often used as deoxidizer in steel- making.  
2. Ferrosilicon also can be used as alloy elements join agent, which is widely used in low alloy steel, non-ferrous metal, bearing steel, heat-resistant steels and electrician silicon-steel.
3. Ferrosilicon commonly used as a reductant in ferroalloy production and chemical industry.
4. In iron industry it often used as inoculant and nodulizer and deoxidize.