Ferro Silicon FeSi

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Specification

Since silicon and oxygen are easily combined to produce silicon dioxide, ferrosilicon is used as a deoxidizer in steelmaking production. When the silicon in the ferro silicon combines with oxygen, a large amount of heat is released due to the formation of SiO2, which is also beneficial to increase the temperature of the molten steel while deoxidizing. In the steelmaking industry, about 3-5kg of ferro silicon 75 is consumed for 1 ton steel produced.

Ferro silicon 75 is commonly used in the production of magnesium metal, and it takes about 1.2 tons of ferrosilicon 75 to produce 1 ton of magnesium. Ferrosilicon can also be used as alloying element additives, widely used in low-alloy structural steel, spring steel, bearing steel, heat-resistant steel and electrical silicon steel.

Product Highlights

Enhanced strength and hardness: Ferrosilicon, an iron-based alloy, can significantly increase the hardness and strength of steel.
Adjusting the chemical composition: Ferrosilicon can be used as an additive in steel production to adjust the chemical composition of the alloy.
Improve corrosion resistance and wear resistance: The addition of ferrosilicon can enhance the corrosion resistance and wear resistance of steel.
Optimize thermal conductivity: Ferrosilicon can optimize the thermal conductivity of steel.
Good plasticity and toughness: Ferrosilicon has good plasticity and toughness because it contains more iron elements.
Inoculant and spheroidizing agent: In the cast iron industry, ferrosilicon can be used as an inoculant and spheroidizing agent to improve the structure and properties of cast iron.
High saturation magnetic flux density: Ferrosilicon has high saturation magnetic flux density, making it potentially useful in electromagnetic devices such as inductors.

Technical Specification

Type	Content of Elements
Type	% Si (min)	% Al (max)	% Ca (max)	% Mn (max)	% Cr (max)	% P (max)	% S (max)	% C (max)
FeSi75Al0.5-A	74.0-80.0	0.5	1	0.4	0.3	0.035	0.02	0.1
FeSi75Al0.5-B	72.0-80.0	0.5	1	0.5	0.5	0.04	0.02	0.2
FeSi75Al1.0-A	74.0-80.0	1	1	0.4	0.3	0.035	0.02	0.1
FeSi75Al1.0-B	72.0-80.0	1	1	0.5	0.5	0.04	0.02	0.2
FeSi75Al1.5-A	74.0-80.0	1.5	1	0.4	0.3	0.035	0.02	0.1
FeSi75Al1.5-B	72.0-80.0	1.5	1	0.5	0.5	0.04	0.02	0.2
FeSi75Al2.0-A	74.0-80.0	2	1	0.4	0.3	0.035	0.02	0.1
FeSi75Al2.0-B	74.0-80.0	2	1	0.4	0.3	0.04	0.02	0.1
FeSi75Al2.0-C	72.0-80.0	2		0.5	0.5	0.04	0.02	0.2
FeSi75-A	74.0-80.0			0.4	0.3	0.035	0.02	0.1
FeSi75-B	74.0-80.0			0.4	0.3	0.04	0.02	0.1
FeSi75-C	72.0-80.0			0.5	0.5	0.04	0.02	0.2
FeSi65	65.0-72.0			0.6	0.5	0.04	0.02
FeSi45	40.0-47.0			0.7	0.5	0.04	0.02

Application

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