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Ferrosilicon 75 is used is mainly used to add silicon to iron and steel. It is also used in magnesium processing, in steelmaking and foundries as a source of silicon in production of carbon steels, stainless steels, and other ferrous alloys for its deoxidizing properties, to prevent loss of carbon from the molten steel, for manufacture of silicon, corrosion-resistant and high-temperature resistant ferrous silicon alloys, and silicon steel for electromotors and transformer cores. In manufacture of cast iron, ferrosilicon is used for inoculation of the iron to accelerate graphitization. In arc welding, ferrosilicon can be found in some electrode coatings. Ferrosilicon is a basis for manufacture of prealloys like magnesium ferrosilicon (FeSiMg), used for modification of melted malleable iron, FeSiMg contains between 3-42% of magnesium and small amounts of rare earth metals. Ferrosilicon is also important as an additive to cast irons for controlling the initial content of silicon.
Anna Soffı?a Hauksdóttir.; Arnar Gestsson.; Ari Vésteinsson. Current control of a three-phase submerged arc ferrosilicon furnace.Control Engineering Practice,2002,10(4),457-463.
Hazard Statements: H261-H302-H312-H331
In contact with water releases flammable gas. Harmful if swallowed. Harmful in contact with skin. Toxic if inhaled.
Precautionary Statements: P231+P232-P261-P280-P304+P340-P405-P501a
Handle under inert gas. Protect from moisture. Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.