Name | Conponent Composition |
Si | 74%-80% |
AI | ≤0.5% |
Ca | ≤1.0% |
Mn | ≤0.4% |
Cr | ≤0.3% |
P | ≤0.035% |
S | ≤0.020% |
C | ≤0.10% |

compound into SiO2, the Ferro Silicon is often used as deoxidizer in steeling. It also can be used as a suspended phase in the mineral processing industry and coating for welding electrodes in the electrode manufacturing. According to the content of Silicon, this product can be divided into FeSi with the Si content: 75%,72%,70%,65%,60%,45%.

Grade | ≥ | (Chemical composition)≤ % | ||||||
Si | Al | 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 | 0.8 | 0.5 | 0.04 | 0.02 | 0.2 |
FeSi60 | 60 | 2 | 1 | 0.7 | 0.5 | 0.05 | 0.03 | 0.2 |
FeSi45 | 45-47 | 2 | 1 | 0.8 | 0.5 | 0.04 | 0.02 | 0.2 |
1. lump:10-30mm, 30-50mm, 50-100mm or as client's requirement.
2. briquette:50*50mm or as client's requirement.
3. Powder:325mesh, 200mesh, 300mesh, 65mesh or customized.
4. Granular:0.3-1mm, 1-3mm, 3-8mm or customized.



