Wrought iron is quite soft and easily worked and has little structural strength. Pelletizing A pellet plant contains a series of balling drums where the iron ore concentrate is formed into soft pellets, in much the same manner that one rolls a snowball, to make a pellet about the size of a marble (between 1/4" and 1/2"). The process duration varies with the injection rate, hot metal chemistry, and desired final sulfur content, and is in the range of 5 to 30 minutes. 12.5.1.4 Steelmaking Process — Basic Oxygen Furnaces - In the basic oxygen process (BOP), molten iron from a blast furnace and iron scrap are refined Iron Ore Pellets Electric Arc Furnace Steelmaking Continuous casting Design by Blisscommunication.com / Cover photo: ThyssenKrupp Steel / Tubes photo: Salzgitter The process shown above is illustrative only and is not designed to show the steelmaking process in detail. Sintering is an important part of the overall process as it reduces waste and provides an efficient raw material for iron making. Coke is produced from carefully selected grades of coal. Not all steel plants produce all of the products shown in this diagram. Learn more » Iron And Steel Manufacturing Process Four steps: Iron Making Process producing iron from iron ore Methods in iron Making Process 1. Iron is manufactured in a blast furnace. The steel making process in the oxygen converterconsists of: Charging steel scrap. Modern steelmaking can be broken down into six steps: 1. Pouring liquid pig iron into the furnace. De-slagging. Modern iron making.

COKE PRODUCTION FOR BLAST FURNACE IRONMAKING By Hardarshan S. Valia, Scientist, Ispat Inland Inc INTRODUCTION A world class blast furnace operation demands the highest quality of raw materials, operation, and operators. Modern methods, however, are still based the same premise as the Bessemer Process, namely, how to most efficiently use oxygen to lower the carbon content in iron. Sponge iron making process 1. Direct Reduction Technique 3. The limestone combines with impurities and molten rock from the iron ore and sinter, forming a liquid ‘slag' which, being lighter than the metal, floats on top of it. Wrought iron: If all the carbon is removed from the iron to give high purity iron, it is known as wrought iron. IRON ORE • Iron = 65-67 % • SiO2 + Al2O3 = 2-3 % • CaO + MgO = 0,5-1 % • Sulphur = 0,02 % max • Phosphorus = 0,04 % max Chemical Composition • Size = 5-18 mm • Shatter Index = +95 % • Tumbler index = +88 % • Reducibility Index = +94 % • Thermal Degradation Index = 5 % Physical Composition 116364638 Iron and Steel Manufacturing Process Ppt - Free download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. Manufacturing Process of Cast Iron Castings . The ironmaking process in the blast furnace is a heat and mass transfer process, ... (High Intensity) process, promoted by its proprietor as “the world’s first commercial direct smelting process for making iron straight from the ore” (Rio Tinto, 2014). The casting process is an art that must be examined and experienced to be fully understood. Charging fluxes. The iron impurities oxidize, evolving heat, necessary forthe process. The iron ore concentrate is now mixed and ready for the pelletizing process. Cast iron has already been mentioned above. This section deals with the types of iron and steel which are produced as a result of the steel-making process. iron nd steel

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