Ferrosilicon 72 size 10-60mm refers to a specification of ferrosilicon (FeSi) alloy with a silicon content of about 72% and a size range of 10-60 mm. The high silicon content of Ferrosilicon 72 enables it to effectively remove oxygen from molten steel during steelmaking and prevent oxidation defects in steel. After deoxidation, the silicon element in the molten steel helps to improve the strength and hardness of the steel, while improving the wear resistance of the steel.

Ferrosilicon 72

chemical composition

Grade	Chemical Composition(mass fraction)%
	Si	Al	Ca	Mn	Cr	P	S	C
	≥	≤
FeSi90Al1.5	87.0~95.0	1.5	1.5	0.4	0.2	0.04	0.02	0.2
FeSi9oAl3.0	87.0~95.0	3	1.5	0.4	0.2	0.04	0.02	0.2
FeSi75Al0.5-A	74.0~80.0	0.5	1	0.4	I0.3	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	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	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

Application areas

Steelmaking

Electric furnace steelmaking: Ferrosilicon 72 is often used for deoxidation in the electric furnace steelmaking process to help remove oxygen from the molten steel and improve the purity of the molten steel.

Converter steelmaking: In converter steelmaking, ferrosilicon is also used to control the oxygen content in the molten steel tooptimize the composition and properties of the steel.

Foundry industry

In the casting process, FeSi 72 size 10-60mm can be used to improve the quality of cast products, especially in the production of castings that require higher precision and performance.

Alloy steel production

When producing alloy steel, low carbon ferrosilicon is used to adjust the chemical composition of molten steel to ensure that the performance of the alloy steel meets the specification requirements.

FeSi 72 FeSi 72

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Ferro Silicon 72 Size 10-60mm