deoxidizers for steel making

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The  common deoxidizers for steelmaking are  aluminum, silicon, calcium and barium.  At present, for converter steelmaking usully adopts precipitation deoxidation,adding alloy into ladle through the  feeding pipe during tapping process.  carbon steel or low-alloy steel usually adding  deoxidizer after alloy , which is beneficial to increase the alloy absorption rate and reduce the consumption .