SILICON CONTAINING ALLOYS
 

Ferrosilicon

%Si
%Al
%Ca
Other
50% FeSi-Reg. Grade
47-51
1.25 Max
0.30 Max
-
50% FeSi-Low Al
47-51
0.50 Max
0.20 Max
-
50% FeSi-High Purity
47-51
0.10 Max
0.10 Max
0.30 Max Ti
75% FeSi-Reg. Grade
74-79
1.50 Max
0.50 Max
-
75% FeSi-Low Al
74-79
0.50 Max
0.30 Max
-
75% FeSi-.10 Low Al
74-79
0.10 Max
0.30 Max
-
75% FeSi-Low C. Grade
74-79
-
-
0.02 Max C
75% FeSi-High Purity
74-79
0.10 Max
0.10 Max
0.04 Max Ti
0.03 Max C

 

Application: Ferrosilicon is used primarily as a deoxidizer. It readily combines with the oxygen in the molten metal. Sometimes used as a degasifier because of its affinity for undesirable gases. Used as a source of silicon in cast iron.

 

 

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