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Steelmaking. 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 (the most important impurity) are removed from the sourced iron, and alloying elements such as manganese, nickel, chromium, carbon, and vanadium are added to produce ...
Sep 30, 2024 · 1. Raw Material Extraction. The steel-making process begins with gathering the essential raw materials: iron ore, coal, and limestone. Iron Ore: This is the main source of iron, the key element in steel. The most commonly used types are hematite and magnetite. Coking Coal: Coking coal is used to produce the intense heat needed to reduce the ...
Jul 3, 2023 · The journey of steel manufacturing begins in the blast furnace, a towering structure designed to extract iron from iron ore. The process involves the reduction of iron ore into molten iron through a series of chemical reactions. The blast furnace operates at high temperatures, typically around 1,500 degrees Celsius (2,732 degrees Fahrenheit ...
Mar 17, 2020 · Overview of the steel production process. Steel is principally made via two routes, the last Furnace-Basic Oxygen Furnace (BF-BOF) route and the Electric Arc Furnace route (EAF) - often referred to as the 'primary' and 'secondary' paths. The former is used to create new or 'virgin' steel, the latter is often used to recycle steel scrap.
Mar 20, 2024 · Understanding the Steel Making Process: A Flow Diagram. The steel making process starts with the melting of iron ore in a blast furnace, where impurities are removed and carbon is added. Secondary steelmaking involves refining the composition by adding or removing elements to achieve the desired steel quality.
Using a water-cooled lance, high purity oxygen is blown at twice the speed of sound onto the surface of the liquid iron at very high pressure. Lime is added to the process, which forms a slag and removes the unwanted elements from the liquid steel. When the oxygen blowing process is complete, the steel is poured – or tapped – into ladles ...
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Aug 21, 2020 · Ladle injection. Degassing. CAS-OB (composition adjustment by sealed argon bubbling with oxygen blowing) Continuous casting sees the molten steel cast into a cooled mold, causing a thin steel shell to solidify. The shell strand is withdrawn using guided rolls, then it's fully cooled and solidified. Next, the strand is cut depending on ...
