Iron boride is the combination of various inorganic compounds. Iron borides include properties typical of ceramics such as high hardness, and properties of metal, such as thermal conductivity and electrical conductivity. They can also possess useful properties such as magnetism, or corrosion resistance. Some iron borides have been used as hardening coatings for iron. Boride coatings on iron have high mechanical, frictional, and anti-corrosive properties. Iron monoboride (FeB) is a grey powder that is insoluble in water. It is harder than iron Boride (Fe2B) but is more brittle and more easily fractured upon impact. The iron boride formed on the surface of steel usually has good adherence and impact strength. Iron boride is used in the production of borated steels and borated stainless steels, deoxidizing agents, to increase the hardness of steel, and as alloying components of coatings applied to weld-facing electrodes. It is also used to improve abrasion resistance, wear resistance, and oxidation resistance.
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