Ferro Silicon
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Ferro Silicon is a ferroalloy an alloy of iron and silicon with between 15% and 90% silicon. It contains a high proportion of iron silicides. Its melting point is about 1200 °C to 1250 °C with a boiling point of 2355 °C. It also contains about 1% to 2% of calcium and aluminium.
Application: Ferro Silicon is usually used in steel industry as a deoxidizing material and it is also used as a bud or spraut in the Moulding industry. It also has major applications as deoxidizing material in steel manufacturing and alloy manufacturing industries, in the production of cast iron and steel, making improvement in the metallic structure and granulation in the molding of alloy and non-alloy cast irons, restoration of other Ferro alloys, and especially in the structure of nouvelle alloy steel.
The specification of Ferro Silicon (55%, 65%, 70%, 75%, 80%, etc.) :
| Chemical Composition % | Type | ||
| FeSi 75% min | FeSi 72% min | FeSi 65% min | |
| Si ≥ | 75.0 | 72.0 | 65.0 |
| Al ≤ | 2.0 | 2.0 | 2.0 |
| Ca ≤ | 1.0 | 1.0 | 1.0 |
| Mn ≤ | 0.4 | 0.5 | 0.6 |
| Cr ≤ | 0.3 | 0.5 | 0.5 |
| P ≤ | 0.035 | 0.04 | 0.04 |
| S ≤ | 0.02 | 0.02 | 0.02 |
| C ≤ | 0.01 | 0.2 | 0.2 |
| Size (mm): 10-50mm, 10-100mm | |||