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Arabic Ferro Silicon 72 is made from quartzite and coke, which are heated and smelted in an electric furnace through a professional process. Ferro silicon 72 is silvery gray in appearance with a metallic luster and can be processed into natural blocks, standard blocks, granules and powders according to requirements.
|
Grade
|
Chemical composition(%)
|
|||||||
|
Si
|
AI
|
Ca
|
Mn
|
Cr
|
P
|
S
|
C
|
|
|
≥
|
≤
|
|||||||
|
FeSi75
|
75
|
1.5
|
1
|
0.5
|
0.5
|
0.04
|
0.02
|
0.2
|
|
FeSi72
|
72
|
2
|
1
|
0.5
|
0.5
|
0.04
|
0.02
|
0.2
|
|
FeSi70
|
70
|
2
|
1
|
0.6
|
0.5
|
0.04
|
0.02
|
0.2
|
|
FeSi65
|
65
|
2
|
1
|
0.7
|
0.5
|
0.04
|
0.02
|
0.2
|
|
FeSi60
|
60
|
2
|
1
|
0.8
|
0.6
|
0.05
|
0.03
|
0.3
|
|
FeSi45
|
40-47
|
2
|
1
|
0.7
|
0.5
|
0.04
|
0.02
|
0.2
|
