Usually, structural steel uses threedimensional trusses hence making it larger than its concrete counterpart. It is the physical model of the casting used to make the mould. Nptel syllabus steel making video course course outline introduction. The production of steel in an eaf is a batch process. Metal casting processes indian institute of technology. Engineering handbook steelmaking basic descriptions of making carbon, alloy, stainless, and tool steel p. Be able to understand basic layout of blast furnace, steelmaking shop and continuous casting process. Turkdogan, et, fundamentals of steelmaking, the institute of. Bhattacharjee, department of civil engineering, iit delhi. Types of steels, history of modern steelmaking and indian scenario. Steel making metallurgy and material science digimat. Steel structures design and drawing lecture notes introduction when the need for a new structure arises, an individual or agency has to arrange the funds required for its construction. Nptel syllabus steel making web course course outline types of steel.
The mould is made by packing some readily formed aggregate. Today, however, it is also employed in making more widely used steels, including alloy and stainless grades as well as some special carbon and lowalloy steels. Basic oxygen steelmaking bos, bop, bof, or osm, also known as linzdonawitzsteelmaking or the oxygen converter process is a method of primary steelmaking in which carbonrich molten pig iron is. Steel making nptel online videos, courses iit video lectures. Figure 2 illustrates the most commonly employed mill processes for making various wrought stainless steel products. Metallurgy and material science steel making nptel. Jul 12, 2016 vacuum degassing processes for liquid steel during the primary steelmaking process, gases like oxygen o2, hydrogen h2 and nitrogen n2 dissolve in the liquid steel. The process was originally used solely for making high quality steel, such as those used for machine tools and spring steel, as it gave more precise control over the composition. You can find them according to your branch and subject in the below link national mission on education. Deoxidation, ladle and tundish metallurgy operations. Production of stainless steels is a twostage process.
How to download all of the lectures in pdf for a course in. Understanding steel making operations in basic oxygen furnace steel making operation in the basic oxygen furnace bof is also sometimes called basic oxygen steel making bos. Related courses electronic materials devices and fabrication. The process was mainly used to produce alloy and special steels from scrap. Offers 35 free metallurgy tutorials, exercises and examples for students in mineral processing of future metallurgist. Materials and energy balance in metallurgical processes by prof. Nptel provides elearning through online web and video courses various streams. Industrial engineering is system efficiency engineering and human effort engineering. This is the english edition of the technical manual for the design and construction of roofs of stainless steel sheet published by japan stainless steel association in 1985 to promote the use of stainless steel sheet roofing in japan, with a commentary on welding processes in use in japan. Replica of the part to be cast and is used to prepare the mould cavity. Production of stainless steels is a twostage process involving the melting of scrap and ferroalloys in an electricarc furnace eaf followed by refining by argon oxygen decarburization aod to adjust. Technical manual for the design and construction of roofs of. Design of industrial steel building by limit state method. Making of iron and steel steel refers to any ironcarbon alloy, although steels usually contain other elements as well.
Steel making information and flowcharts were produced with information from the website of the american iron and steel institute aisi 1140 connecticut ave. Scribd is the worlds largest social reading and publishing site. The cast steel can then be forged or rolled in successive steps to produce anyone of the. Understanding steel making operations in basic oxygen furnace.
Analysis and design of conventional industrial roof truss and. The architect plans the layout so as to satisfy the functional. The effects of other elements can be estimated by equating them to an additional amount of carbon. This is the english edition of the technical manual for the design and construction of roofs of stainless steel sheet published by japan stainless steel association in 1985 to promote the use of stainless. Ever since steel began to be used in the construction of structures, it has made possible some of the grandest structures both in the past and also in the present day fig. Status of steelmaking in india and world steel production and consumption, steelmaking fundamentals. Metal casting processes indian institute of technology guwahati.
Nptel mechanical mechatronics and manufacturing automation joint initiative of iits and iisc funded by mhrd page 1 of 63 module 5. Salzgitter the process shown above is illustrative only and is not designed to show the steelmaking process in detail. The individual or agency henceforth referred to as the owner then approaches an architect. Koria,department of material science and engineering,iit kanpur. Chemical content identification factors and composition standards p. Ladle refining of liquid metal is a proven technology to produce high quality steel. Apr 04, 2012 materials and energy balance in metallurgical processes by prof. This website gives an idea about different iron and steelmaking processes using interactive. Before dealing with the bbs, its very important to learn the basics of bar bending schedule. What are some good resources for learning about steel making. Ironmaking and steelmaking metallurgical and materials. Sources of inclusions in steel and their control 29. There is a very detailed explanation of all the concepts, starting right from the basics. Blowing oxygen through molten pig iron lowers the carbon content of the alloy and changes it into lowcarbon steel.
Syllabus of secondary steel making and casting processes group f in place of welding. Direct reduction scrap ladle refining electric arc furnace steelmaking iron ore pellets electric arc furnace steelmaking continuous casting design by cover photo. For most application, the surface quality, internal quality, micro cleanliness quality and mechanical property of the steel produced by primary steel making open hearth, ld, eaf, bos etc are satisfactory and hence these processes meet the. Apr 16, 2016 the first suggestion i would like to give is watch nptel video lectures or read their transcripts which are available in the nptel website. Building materials and construction nptel online videos. Video lectures tutorials mod1 lec1 introduction to design of steel structures mod2 lec1 connections mod2 lec3 design of rivet joint mod2 lec2 riveted connections mod3 lec2 design.
Each heated halfpattern is covered with a mixture of sand. The refining of iron to make steel is where the carbon content of hot metal is lowered, usually to less than 1 % by an oxidation process in a steelmaking furnace. Each heated halfpattern is covered with a mixture of sand and a thermoset. To develop computational and mathematical abilities to be applied for process design and control. Steel making carbon equivalent to a good approximation, the weldability of steel can be estimated from its chemical composition. Building materials and construction lecture series on building materials and construction by dr. The major disadvantage of steel is that it will oxidize under moist conditions to form rust. Steel making online course video lectures by iit kanpur.
The most significant alloying element effecting weldability is carbon. Introduction to stainless steels asm international. By far the most widely used material for building the worlds infrastructure and industries, it is used to fabricate everything from sewing needles to oil tankers. The liquid steel can then be cast or formed into a variety of solid shapes via the continuous casting process. These gases have a harmful effect on the mechanical and physical properties of steel. Steel making is the method of processing and producing steel from iron ore and scrap. The cast steel can then be forged or rolled in successive steps to produce anyone of the many required shapes. Steel making video course metallurgy and material science. A ladle refining furnace is used to raise the temperature and adjust the. Cycles, or heats, range from about 112 to 5 hours to produce carbon steel and from 5 to 10 hours or more to produce alloy steel. You will find all pdfs and also as mp3 file for all video lectures which are in nptel. Lecture notes on veer surendra sai university of technology. Steel making web course metallurgy and material science nptel.
Turkdogan, et, fundamentals of steelmaking, the institute of materials, 1 86125 004. As far as the elasticity concerned the steel follows hooks law very accurately. Steel has always been more preferred to concrete because steel offers better tension and compression thus resulting in lighter construction. It focuses on removing the slugs and other unwanted materials like phosphorus, sulphur, silicon, nitrogen, and excess carbon from the raw iron. These is an online course on steelmaking hosted by nptel. Desulfurization of steel free download as powerpoint presentation.
The first suggestion i would like to give is watch nptel video lectures or read their transcripts which are available in the nptel website. Vacuum degassing processes for liquid steel during the primary steelmaking process, gases like oxygen o2, hydrogen h2 and nitrogen n2 dissolve in the liquid steel. Desulfurization of steel refractory steelmaking free 30. Steel making video course metallurgy and material science nptel. Nptel metallurgy and material science steel making. The belowmentioned table is a kickstart guide for learning bar. Vacuum degassing processes for liquid steel ispatguru. By far the most widely used material for building the. Scrap steel is charged to begin a cycle, and alloying agents and slag materials are added for refining. Soil exploration lecture notes, notes, pdf free download, engineering notes, university notes, best pdf notes, semester, sem, year, for all, study material. For low carbon steel, the temperature rise for a true strain of 1 has been estimated to be 553 k. Industrial engineering steel making steel technology. Many technical definitions are from everything you always wanted to know about steel.
Basic oxygen steelmaking bos, bop, bof, or osm, also known as linzdonawitzsteelmaking or the oxygen converter process is a method of primary steelmaking in which carbonrich molten pig iron is made into steel. Analysis and design of conventional industrial roof truss and compare it with tubular industrial roof truss yash patel yashveersinh chhasatia b. Nptel video lectures, iit video lectures online, nptel youtube lectures, free video lectures, nptel online courses, youtube iit videos nptel courses. Steel, alloy of iron and carbon in which the carbon content ranges up to 2 percent with a higher carbon content, the material is defined as cast iron.
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