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In the process of steel making impurities like nitrogen silicon phosphorus sulphur and most importantly excess carbon are removed. To produce different grades of steel alloying elements like manganese nickel chromium carbon and vanadium are added. Pin On Structuraldetails Store Catalogue It was apparently conceived independently and almost concurrently by bessemer and by william kelly. Steel process description . Coal natural gas plate hot rolled bars rods tube rounds rails. Steelmaking is the process of producing steel from iron ore and or scrap in steelmaking impurities such as nitrogen silicon phosphorus sulfur and excess carbon most important impurity are removed from the sourced iron and alloying elements such as manganese nickel chromium carbon and vanadium are added to produce different grades of steel. Even though equipment is improved and higher production rates can be achieved the processes inside the blast furnace remain the same. Iron is the base metal of steel...