Cold forming is carriedout at a temperature lower than recrystallization temperature of the work piece material. Metallurgy and material science materials and energy balance in metallurgical processes jun 3, 2019 0619 by national programme on technology enhanced learning. Steel making video course metallurgy and material science. 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. Figure 2 illustrates the most commonly employed mill processes for making various wrought stainless steel products. It focuses on removing the slugs and other unwanted materials like phosphorus, sulphur, silicon, nitrogen, and excess carbon from the raw iron. Report steel making video course metallurgy and material science nptel. Metal forming is the main method of making metal products and semifinished products. Steel making is the method of processing and producing steel from iron ore and scrap. Metal casting processes indian institute of technology guwahati.
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. Making of iron and steel steel refers to any ironcarbon alloy, although steels usually contain other elements as well. Design of steel structures nptel online videos, courses. Metallurgy and material science steel making nptel. Nptel syllabus steel making video course course outline introduction. If you are not able to download lectures due to bandwidth constraints, you can obtain the courses in dvds by paying a nominal fee to cover the cost of storage media and distribution. Steel making web course metallurgy and material science nptel. Other machining operations shaping and planing a singlepoint tool moves linearly relative to the work part shaping a tool moves. Vacuum degassing processes for liquid steel ispatguru. Steel making online course video lectures by iit kanpur. Replica of the part to be cast and is used to prepare the mould cavity. Salzgitter the process shown above is illustrative only and is not designed to show the steelmaking process in detail.
Per capita steel consumption is the index of prosperity of any country. Ironmaking and steelmaking metallurgical and materials. 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. As far as the elasticity concerned the steel follows hooks law very accurately. More than 90% of smelted metal is processed by different methods of metal forming. The mould is made by packing some readily formed aggregate. Nptel metallurgy and material science steel making. Nptel material is available for free on nptel website. What are some good resources for learning about steel making. Nptel, an elearning initiative by the 7 indian institutes of technology and the indian institute of science with the support of the mhrd, govt. Steel making nptel online videos, courses iit video lectures. Worldwide steel production and indias position in 2011 total steel production of entire world was 1490 mt.
Steel making slag is recycled in sinter plant as sinter feed since it has high percentage of cao and mgo. To accomplish the aforesaid objectives one should first know why and how the cutting tools fail. Design of industrial steel building by limit state method. For creating vacuum, there are three basic types of vacuum pump systems which can be used.
Cive1010 building materials technology 5 cr 120 lecture 11. Reinforcing steel and composite materials prepared by. Steel making and iron making problems discussion youtube. Status of steelmaking in india and world steel production and consumption, steelmaking fundamentals. Size and weight of the product is not a limitation for the casting process. Spend time on studying, not for searching material to study. 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. Hot working is a process carried out at temperatures above. Steel has always been more preferred to concrete because steel offers better tension and compression thus resulting in lighter construction. The most significant alloying element effecting weldability is carbon. Jun 07, 2017 it contains detailed explanation of some of the questions from my facebook page. 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. 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. What do you understand by 1 weight percent standard state.
Design of steel structures nptel online videos, courses iit video lectures. So, blast furnace based steelmaking, i will write it like this. The goal of this site is presently to help the undergraduates pursuing b. The effects of other elements can be estimated by equating them to an additional amount of carbon. There is a very detailed explanation of all the concepts, starting right from the basics. Applications il mild steel containing 0115 to 0120% carbon it is used in stncture steels, universal beams, screws, drop forgings, case hardening steel, bars, rods, tubes, angles and channels etc, 2, mild steel containing 01200% carbon it is used ill making machine stillcture, gears, free cutting steels, shafts and forged components etc. Lectures from the national programme on technology enhanced learning metallurgy and material science steel making. Discuss with reference to thermodynamic calculations on refining of hot metal to steel. Usually, structural steel uses threedimensional trusses hence making it larger than its concrete counterpart. Soil exploration lecture notes, notes, pdf free download, engineering notes, university notes, best pdf notes, semester, sem, year, for all, study material. Steel making video course metallurgy and material science nptel. The major disadvantage of steel is that it will oxidize under moist conditions to form rust. You can find most of the materialsnotes related to civil engineering. Jul 12, 2016 vacuum pump system is the driving force for the vacuum degassing processes for liquid steel.
Electrical, electronics and communications engineering. It is the physical model of the casting used to make the mould. 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. Apr 07, 20 nptel phase ii metallurgy and material science steel making. Nptel course on manufacturing processes i, pradeep kumar et al. Koria,department of material science and engineering,iit kanpur. Metal casting processes indian institute of technology. The cast steel can then be forged or rolled in successive steps to produce anyone of the many required shapes. Cast steel up to 2 feet 2 feet to 6 feet over 6 feet 0. Steel making nptel online videos, courses iit video. Overview of the steelmaking process pellets sinter limestone. Chemical content identification factors and composition standards p. Nptel video lectures, iit video lectures online, nptel youtube lectures, free video lectures, nptel online courses, youtube iit videos nptel courses. For low carbon steel, the temperature rise for a true strain of 1 has been estimated to be 553 k.
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