The most significant alloying element effecting weldability is carbon. Waiting for godot was written in 1949 and first performed in paris in january 1953. Lecture notes on veer surendra sai university of technology. Damodar maity, department of civil engineering,iit guwahati. Metal casting processes indian institute of technology. Other alloying elements are occasionally added to improve different properties in the ultimate steel. The iron impurities oxidize, evolving heat, necessary forthe process. Ise, the making, shaping and treating of steel steelmaking and refining volume, the aise, steel foundation, 0930767020. Lectures from the national programme on technology enhanced learning metallurgy and material science steel making skip to main content this banner text can have markup. Progressive tool design and analysis for 49 lever 5 stage tools h.
Understanding steel making operations in basic oxygen. Steel making online course video lectures by iit kanpur. Per capita steel consumption is the index of prosperity of any country. Steel making carbon equivalent to a good approximation, the weldability of steel can be estimated from its chemical composition. The course contents and videos uploaded are free to download for all. Steel products, material properties and testing, steel. However, scrap steel, both quantitatively and qualitatively, cannot meet the entire demand for steel. Building materials and construction 140602 engineering geology 140604. Not all steel plants produce all of the products shown in this diagram. Our steel product lineup supports an extensive range of steel types and dimensions to help us quickly respond to your specific needs. During the first time, barry mcgovern and alan mandelltwo of the most barry mcgovern is an irish actor who has had a long career in theater, film, he has toured with the gate productions of waiting for godot, endgame and happy waiting for godot beckett on film synopsis waiting for godot was written in. Steel making nptel online videos, courses iit video lectures.
Iron ore processing for the blast furnace courtesy of the national steel pellet company the following describes operations at the national steel pellet company, an iron ore mining and processing facility located on the mesabi iron range of minnesota. Creating steel from lowgrade iron ore requires a long process of mining, crushing. These courses are based on the curriculum of iits and iisc provided under nptel. Apr 19, 2012 the steel making process in the oxygen converterconsists of. Steel making nptel online videos, courses iit video. The iron and steel manufacturing pretreatment standards do not ertab lish any monitoring frequency. Around 71 % of the crude steel is made by this process. Profitability of steel plant depends on design, technology, operation, and efficient energy and waste utilization. Decarburization is a surface degradation phenomenon in the forging and heat treating of steels. Overview of the steelmaking process pellets sinter limestone. 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. Fundamentals of structural design part of steel structures civil engineering for bachelors 3fstd teacher.
Fundamentals of environmental pollution and control. Structural shapes standard steel configurations produced by steel mills such as wide flanges, channels, angles, pipe, tubes, etc. Exothermic heat is generated by the oxidation reactions during blowing. It begins by tracing the history of iron and steel production, right from the earlier days to today s world of oxygen steelmaking, electric steelmaking, secondary steelmaking and. Burners and flames in industrial furnaces a burner is the device used to burn the fuel, with an oxidizer to. Nptel, an elearning initiative by the 7 indian institutes of technology and the indian institute of science with the support of the mhrd, govt. Nptel nptel online certification course discrete mathematics recurrence relation introduction to merge sort 1 by prof.
A generic term for steels which are alloyed with elements other than carbon. Basic oxygen steelmaking is a primary steelmaking process for converting molten pig iron into steel by blowing oxygen through a lance over the molten pig iron inside the converter. Cold forming is carriedout at a temperature lower than recrystallization temperature of. Much of this improvement is based on the application of fun. At the same ime, alloying t materials are added to the furnace to achieve the required chemical composition of. Sampling and temperature measurement tapping the steel to a ladle.
Metal casting processes indian institute of technology guwahati. Lecture notes on advanced casting and welding acw course code. The effects of other elements can be estimated by equating them to an additional amount of carbon. Scribd is the worlds largest social reading and publishing site. Engineering handbook steelmaking basic descriptions of making carbon, alloy, stainless, and tool steel p. Nptel video lectures, iit video lectures online, nptel youtube lectures. Mod1 lec1 introduction to design of steel structures. At the same ime, alloying t materials are added to the furnace to achieve the required chemical composition of the final product. Soil exploration lecture notes, notes, pdf free download, engineering notes, university notes, best pdf notes, semester, sem, year, for all, study material. The mould is made by packing some readily formed aggregate. Email print pdf such as ocean engineering, biotechnology, mining and metallurgy. Hot working is a process carried out at temperatures above.
The complete core making procedure consists of the following eight steps. Introduction to the production of clean steel the journal of the southern african institute of mining and metallurgy volume 115 june 2015 561. Nptel metallurgy and material science steel making. Cip 1 00 concrete in practice cip 1 dusting concrete surfaces cip 2 scaling concrete surfaces cip 3 crazing concrete surfaces cip 4 cracking concrete surfaces cip 5 plastic shrinkage cracking cip 6 joints in concrete slabs on grade cip 7 cracks in concrete basement walls cip 8 discrepancies in yield cip 9 low concrete cylinder strength. Lecture series on building materials and construction by dr. Nptel design of steel structures nptel video lectures from. Productivity and coke rates in the blast furnace and the ability to refine steel to demanding specifications have been improved significantly. Turkdogan, et, fundamentals of steelmaking, the institute of materials, 1 86125 004 2. Cold forming is carriedout at a temperature lower than recrystallization temperature of the work piece material. Decarburization may be described as a metallurgical process in which the surface of steel is depleted of carbon, by heating above the lower critical temperature or by chemical action. Lecture series on design of steel structures by dr. Steel making information and flowcharts were produced with information from the website of the american iron and steel institute aisi 1140 connecticut ave. It is subsequently catagorized as plain carbon steel and alloy steel plain carbon steel.
It is prepared from the combination of steel plate and channel. Progressive tool design and analysis for 49 lever 5 stage. It is the physical model of the casting used to make the mould. Materials for eng 7704materials for eng 7704 structural steel design steel design handbook cisc limit states design for steel cisc textbook its important you have access to the handbook because. The strips of brass or steel are sometimes fixed on the edges of wooden moulds to make them more durable. Download notes on design of steel structure, these notes are helpful for exam preparation. The mechanical behavior iron is changed hugely by the addition of carbon and other additives or alloys. Tata steel has over the years, undertaken extensive research in making the process of steel making more energy efficient, economically viable and. Note that some regions in the builtup edge are as much as three times harder than the bulk metal. The reason for such storage aging is to allow potentially destructive hydration and its associated expansion to take place prior to use of the.
There have been tremendous improvements in iron and steelmaking processes in the past twenty years. Building materials and construction nptel online videos, courses iit video lectures. Study material from nptel civil engineering department. 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. S iyengar department of computer science iit ropar let us consider a situation where a teacher is trying to keep her answer scripts sorted, sorted based on the ascending order of the marks that students have secured. Introductory remarks,a historical perspective,an overview of modern iron and steelmaking,energy in iron and steel industry,environmental, health and safety ehs issues environmental issues health and safety issues,iron and steel. Status of steelmaking in india and world steel production and consumption, steelmaking fundamentals. This channel contains technical lectures on metallurgy and material science from seven indian institutes of technology iits and indian institute of scien. Civil engineering department civil engineering department.
It may even be prepared from steel angles and plates. Tata steel, lowest cost steel producer, strives to make steel making process more economical, efficient and environmentally sustainable. The cast steel can then be forged or rolled in successive steps to produce anyone of the many required shapes. Desulfurization of steel free download as powerpoint presentation.
Cip 1 00 concrete in practice cip 1 dusting concrete surfaces cip 2 scaling concrete surfaces. Salzgitter the process shown above is illustrative only and is not designed to show the steelmaking process in detail. Bhattacharjee, department of civil engineering, iit delhi. Nptel video lectures, iit video lectures online, nptel youtube lectures, free video lectures, nptel online courses, youtube iit videos nptel courses.
Therefore, the appropriate control authority must establish monitoring frequency to adequately demonstrate that indirect dischargers subject to the pretreatment standards comply with them. Apr 16, 2016 introduction to steel making processes 1. Introduction to iron and steel a few definitions and general descriptions are in order alloy steel. Pig iron is divided into steel making pig iron, which is intended for further processing to steel by various refining processes, and foundry pig iron, from which cast iron is produced by remelting. The liquid steel can then be cast or formed into a variety of solid shapes via the continuous casting process.
Guidance manual for iron and steel manufacturing pretreatment. Apr 07, 20 nptel phase ii metallurgy and material science steel making. Koria,department of material science and engineering,iit kanpur. Design of steel structures video lectures, civil engineering video lectures, design of steel structures video tutorials, design of steel structures by duggal, design of steel structures by ramachandra,design of steel structures pdf. Nptel syllabus steel making web course course outline types of steel. Highly quality steels as an integrated producer of special steels, cutting tools and bearings, the steel division works closely with the users to continuously improve process technologies, based on the. Ironmaking and steelmaking metallurgical and materials. Coal is a mineral consisting mainly of sedimentary fossilized carbon with smaller amounts of other elements, such as sulfur, hydrogen, oxygen, nitrogen and more. Fundamentals of structural design part of steel structures. Building materials and construction nptel online videos. Introduction to stainless steels asm international.
Principles of extractive metallurgy rakes h kumar email. Structural steel the structural elements that make up the frame that are essential to supporting the design loads, e. Worldwide steel production and indias position in 2011 total steel production of entire world was 1490 mt. 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. Introduction, history of steel structures, the applications and some representative structures, production of steel 2.
Pulla reddy engineering college, autonomous, kurnool abstract. Melting steel scrap results in liquid steel, which can be shaped in the desired forms by casting, rolling and finishing. Effective decision making for organizational performance decision making is the selection of alternative course of. Design of steel structures nptel online videos, courses. Directly reduced iron directly reduced iron is a product of iron steel direct reduction from ores in the solid. For low carbon steel, the temperature rise for a true strain of 1 has been estimated to be 553 k. Eng 7704 structural steel design memorial university of. Steel making slag, which is to be used as an aggregate, is stored outdoors for several months to expose the material to moisture from natural precipitation andor application of water by spraying. Replica of the part to be cast and is used to prepare the mould cavity. You will have to use the book in the exams the book has the steel code csas16, properties. In the bof process, coke making and iron making precede steel making these steps are not necessary. Steel making and iron making problems discussion youtube. Electric arc furnace steelmaking continuous casting. This is the most powerful and effective steel making technology in the world.
Plain carbon steel, determination of preheating temperature, stainless steel, use of scheffler s diagram. Nptel provides elearning through online web and video courses various streams. Let me know if you need more notes, you can ask below comment box. Pattern equipment chapter 11 discusses this important step in the casting process in.