Design of steel structures design of steel structures. What are the best online resources to teach myself precision, smallparts. The first suggestion i would like to give is watch nptel video lectures or read. Simple biogas plants are complicated enough to require total involvement with their specific technology. Steel making nptel online videos, courses iit video. It is the physical model of the casting used to make the mould. Design and analysis of connecting rod using forged steel leela krishna vegi1, venu gopal vegi2. Nptel course on manufacturing processes i, pradeep kumar et al.
Making, shaping and treating of steel steelmaking and refining, 10th edition, 1985, aise, pittsburgh. Steel making carbon equivalent to a good approximation, the weldability of steel can be estimated from its chemical composition. Bhattacharyya lecture series on strength of materials by prof. Nptel video lectures, iit video lectures online, nptel youtube lectures, free video lectures, nptel online courses, youtube iit videos nptel courses. This is the reason why undercooling below the equilibrium transformation temperature is required, so that the condition of reduction in total energy is satisfied. Steel making slag is also used for soil treatment, hot mix asphalt and as a land fill. Design and analysis of connecting rod using forged steel. 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. 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 effect of external work done on work piece during forming is converted into heat.
Grain size and material strength continued most metal manufacturers will attempt to keep grain size to a minimum when manufacturing materials for use in electrical connectors. Watermaybestoredinnaturalorartificiallakes, reservoirs,stantpipes,orelevatedtanks. Ironmaking and steelmaking metallurgical and materials. Steel making online course video lectures by iit kanpur. For low carbon steel, the temperature rise for a true strain of 1 has been estimated to be 553 k. The reason for such storage aging is to allow potentially destructive hydration and its associated expansion to take place prior to use of the. Steel strips are then fitted at either end of the slot to complete a frame for the inserts.
Scribd is the worlds largest social reading and publishing site. Steel making nptel online videos, courses iit video lectures. This chapter will give you a brief overview of structural steel. When prolonged carburizing times are used for deep case depths, a high carbon potential produces a high surfacecarbon content, which may thus result in excessive retained austenite or free carbides. 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. Subsequently, the behaviour and design of structural steel concrete composite trusses are discussed. The effects of other elements can be estimated by equating them to an additional amount of carbon. Mechanisms of these processes some examples of application areas advantages disadvantages. It is more helpful to revise the basics in quick manner.
Types of steels, history of modern steelmaking and indian scenario. Learn for free, pay a small fee for exam and get a certificate. Turkdogan, et, fundamentals of steelmaking, the institute of materials, 1 86125 004 2. So, batch charging is rather good for small capacity furnaces, for small capacity furnaces, say. Design of steel structures lecturer notes topic wise in pdf. Around 71 % of the crude steel is made by this process. About 5 to 10% of the work is stored within as internal energy.
The liquid steel can then be cast or formed into a variety of solid shapes via the continuous casting process. Smaller machines may come with 1 to 3 hp while the production machines may go from 10 to 50 hp. Line diagram of a typical press presses are available in a variety of capacities, power systems and frame type. Electrical, electronics and communications engineering. Damodar maity, department of civil engineering,iit guwahati. Metal casting processes indian institute of technology. Hot working is a process carried out at temperatures above. Lecture series on building materials and construction by dr. Types of abrasive machining processes grinding honing lapping superfinishing polishing buffing abrasive water jet machining ultrasonic machining. Making of iron and steel steel refers to any ironcarbon alloy, although steels usually contain other elements as well. In this chapter, initially, the details of structural steel trusses are discussed. Building materials and construction nptel online videos. Mall,department of chemical engineering,iit roorkee. Nptel video lectures, iit video lectures online, nptel youtube lectures.
Difference between grinding and milling the abrasive grains in the wheel are much smaller and more numerous than the teeth on a milling cutter. Fabrication and manufacturing basics batch processes fabrication time independent of design complexity standard process customization by masks each mask defines geometry on one layer lowerlevel masks define transistors higherlevel masks define wiring silicon is neat stuff oxide protects things from impurities. Bhattacharjee, department of civil engineering, iit delhi. Use nptel civil engineering app to understand your subjects better using video lectures and pdfs and make your. You will find all pdf s and also as mp3 file for all video lectures which are in nptel. Jun 09, 2017 we have shared the detailed design of steel structures lecturer notes in topic wise pdf. 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. Mod02 lec02 coal carbonization and coke oven plant youtube. Download notes on design of steel structure, these notes are helpful for exam preparation. Building materials and construction 140602 engineering geology 140604. Email print pdf such as ocean engineering, biotechnology, mining and metallurgy.
This explains the dependence of nucleation rate on under cooling temperature. Size and weight of the product is not a limitation for the casting process. Kelly of usa had also developed the technique of making steel at about the. The goal of this site is presently to help the undergraduates pursuing b. 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 the carbon content and remove impurities. Nptel video lectures, iit video lectures online, nptel youtube. Friction can also result in heating and increase in internal energy of workpiece.
Design of roof truss notes click to download design of stiffners notes click to download design of plate girders notes click to download design of gantry girders click to. Forged steel has more factor of safety, reduce the weight, increase the stiffness and reduce the stress and stiffer than other material. Jawaharlal nehru technological university, kakinada, ap, india. It is time to set about this task in a professional manner in the best sense of this word. Forming process requires stress above flow stress of the material being deformed. The course contents and videos uploaded are free to download for all.
Nptel provides elearning through online web and video courses various streams. Metallurgical engineering and materials science, iit bombay. Apr 07, 20 nptel phase ii metallurgy and material science steel making. Cutting speeds in grinding are much higher than in milling. The punch is made up of tool steel and can be easily replaceable if it fails. How to download all of the lectures in pdf for a course in. Nptel syllabus steel making video course course outline introduction. 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. Drilling is a hole making process for which drill is used as a cutting tool for producing round. Steel making information and flowcharts were produced with information from the website of the american iron and steel institute aisi 1140 connecticut ave. The cast steel can then be forged or rolled in successive steps to produce anyone of the many required shapes. Click here for a list of nptel online courses for aicte fdp, jan apr 2019. Nptel video lectures, iit video lectures online, nptel youtube lectures, free video lectures, nptel online courses, youtube iit videos nptel.
Koria,department of material science and engineering,iit kanpur. The punch is assembled in a quill with tight press fit. Work in buildings, iit madras and institute of steel development and growth. Study material from nptel civil engineering department. Overview of the steelmaking process pellets sinter limestone. 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. Structural steel is used as the framework for many steel structures such as industrial and commercial buildings, advanced base structures, and bridges. However, the marketed tonnage is only about 90% of the raw steel because of process losses and recycled scrap arising from rejectsand trimming to size. Per capita steel consumption is the index of prosperity of any country. Directly reduced iron directly reduced iron is a product of iron steel direct reduction from ores in the solid. Tata steel, lowest cost steel producer, strives to make steel making process more economical, efficient and environmentally sustainable. 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. The pocket is made by machining a slot completely through the bolster block. Nptel design of steel structures nptel video lectures.
You can find them according to your branch and subject in the below link national mission on education through ict this was initiated by iit madras. Cold forming is carriedout at a temperature lower than recrystallization temperature of the work piece material. Manufacturing processes i nptel online videos, courses. Greater is the under cooling temperature smaller is the critical size. Jan 17, 2019 coal is a mineral consisting mainly of sedimentary fossilized carbon with smaller amounts of other elements, such as sulfur, hydrogen, oxygen, nitrogen and more. Many different pieces go into fabricating and erecting the framework for a steel structure, and as a seabee steelworker, you must. Manufacturing processesiii holder and punch holder is attached to ram. Let me know if you need more notes, you can ask below comment box.
Understanding steel making operations in basic oxygen. You can find most of the materialsnotes related to civil engineering. Nptel design of steel structures nptel video lectures from. Sources of inclusions in steel and their control 29. Civil engineering department civil engineering department. Conventional machining processes and machine tools moduleiv turning.
Engineering handbook steelmaking basic descriptions of making carbon, alloy, stainless, and tool steel p. Steel making and iron making problems discussion youtube. Apr 28, 2014 argon oxygen decarburization aod is a process primarily used in production of stainless steel and other high grade alloys such as silicon steels, tool steels, nickelbase alloys and cobaltbase alloys with oxidizable elements such as chromium and aluminum. What are some good resources for learning about steel making. Design of steel structures nptel online videos, courses. Cast steel up to 2 feet 2 feet to 6 feet over 6 feet 0. Arnold schwarzenegger this speech broke the internet and most inspiring speech it changed my life. The most significant alloying element effecting weldability is carbon.
Salzgitter the process shown above is illustrative only and is not designed to show the steelmaking process in detail. This is an alternative method of making a bolster to suit rectangular inserts. Numerical problems and exercises 4 solidification and casting and finishing operations 31. At the same ime, alloying t materials are added to the furnace to achieve the required chemical composition of the final product. Steel trusses can also be efficiently used along with concrete slabs in buildings and bridges by mobilising composite action between structural steel and concrete. Ironmaking and steelmaking theory and practice and sponge iron production by direct reduction of iron oxide both published by phi learning, new delhi as well as two other books entitled beyond the blast furnace and metallics for steelmaking production and use besides a number of monographs on. This is the most powerful and effective steel making technology in the world. Soil exploration lecture notes, notes, pdf free download, engineering notes, university notes, best pdf notes, semester, sem, year, for all, study material. Steel making slag is recycled in sinter plant as sinter feed since it has high percentage of cao and mgo. Spend time on studying, not for searching material to study. Ise, the making, shaping and treating of steel steelmaking and refining volume, the aise, steel foundation, 0930767020.
Simple biogas plants are intended to help solve this problem. Solving all your pdf problems in one place and yes, free. Coal is a mineral consisting mainly of sedimentary fossilized carbon with smaller amounts of other elements, such as sulfur, hydrogen, oxygen, nitrogen and more. 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. As a result, for production of a small lot, it is the ideal process. Creating steel from lowgrade iron ore requires a long process of mining, crushing.
Metallurgy and material science steel making nptel. Case depth of carburized steel is a function of carburizing time, the steel chemistry, and available carbon carbon potential at the surface. After all, a biogas plant can only help to solve the problems of the future if. Smallpdf the platform that makes it super easy to convert and edit all your pdf files. Lecture series on design of steel structures by dr. Nptel, online courses and certification, learn for free. Not all steel plants produce all of the products shown in this diagram. A fine grain size will certainly improve the yield strength and stress relaxation resistance of the finished product. Pdf slagmetal emulsion plays an important role in the oxidation kinetics of metalloids in oxygen steelmaking. Worldwide steel production and indias position in 2011 total steel production of entire world was 1490 mt. Another best book would be modern steel making by r.
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