Steel Making Methods | Advantages | Disadvantages | Basic Oxygen Furnaces | * Very high production rates and low residual element * Does not burn fuel | * Good efficiency requires large amount of pig iron to continue production. * Requires costly filtering process due to high levels of pollutants produced. * High refurbishing costs. * High dependence on blast furnace/coking. | Electric Arc Furnaces | * Minimal emissions/pollution. * Filtering of scrap not necessary. * Easy
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this book because he wanted to explore and acquire knowledge about a question that have puzzled people for thousands of years living them to give different opinion about what might be the possible answer to the question. Guns‚ Germs‚ And Steel is a historical analysis about anthropology & archaeology that opens with a prologue in which the author presents a question from a New Guinean politician and friend named Yali: why were Europeans able to conquer so many other societies around the
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discovered. This microstructure was named by Bian’s colleageus at the United States Steel Corportion. At first microstructure of martensite and bainite seem similar‚ which had many aspects on their transformation of mechanisms. Microstructure of bainite seems to be darker than the mastenisite under a microscope. The reason behind bainite structure became useful was because of its hardness. There are few Heat treatments that steel can be tested by such as Annealing‚ quenching Harderning‚ and Normalizing.
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The Classification of Steel Ball There are two kinds of steel ball‚ casting steel ball and forging steel ball. Casting ball manufacturers mix scrap steel‚ scrap metal and other waste metals in intermediate frequency electric stove for heating so as to fully melting. Right amount precious metal alloy‚ such as ferrochrome‚ ferromanganese‚ vanadium iron are added in melting process. When temperature is above 1550 ℃‚ powering hot metal to the steel mold or mold steel ball production line. This kind
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The objectives of the study are as follows: To analyze the top and bottom five Iron and Steel Industries in India Analyzing the trend of key ratios across the top and bottom five Iron and Steel companies in India Finding the factors responsible in the production of Iron and Steel To analyze the data of the associated factors and finding a model for demand in Indian Iron and Steel Industry in 2010 Overview The steel industry is a dynamic‚ innovative sector
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The last piece of the puzzle is steel. This kinda happened at the same time as the germs but eventually Spain had enough time on thier hands that they could have specialists‚ people who specialized in a certain thing whether it be farming‚ cooking‚ or metalworking. Steel was a very important factor on Spain’s reign of power because it was a stronger‚ sharper‚ and more flexible metal that most people didn’t didn’t have‚ because they didn’t have the right conditions. These conditions where: iron‚ carbon
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Ms Sanghamitra‚ R&D Refractory Department from TATA STEEL‚ Jamshedpur‚ gave a talk on “STEEL MAKING REFRACTORY”‚ on 12th September 2012 at 11:00 AM at Ceramic Engineering department. Process chart of TSL‚ INDIA was first addressed. So‚ it all starts with iron ores and fluxes (limestone) to be mixed and then pelletized in a sinter plant. At the same time‚ raw coal is processed to form coke in a coke plant and then sintered pellets along with coke are fed to a blast furnace. Hot metal is obtained
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Guns‚ Germs‚ and Steel Yali’s Question * Yali’s Question: Why is it that white people developed more cargo than us black people? * New Guinea-Stone Age until 200 years ago. * 11‚000 B.C.-all humans are hunter gatherers. * New Guineans proven more intellectually superior than advanced races. * Climates effect-cold enhances creativity?-no-Mayans‚ pottery‚ art‚ science‚ flourished in tropics. * River Valleys foster centralized rule?-no‚ centralized rule has come before agricultural
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Assess the global role and local impact of multinational companies. A multinational company is often defined as a corporation whose operations and investments are broaden across a number of countries. They are also referred to as transnational companies. Therefore given this definition it would be expected that if a company operates over such a large territory that it would indeed have many effects and impacts‚ locally and globally‚ and its role would also be quite significant as it can have a direct
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Mrs. Julia Steel is a patient I have had the pleasure of meeting with recently. As discussed during the appointment‚ Mrs. Steel is a 72 year old retired‚ married woman. Collectively‚ Mrs. Steel’s family history includes the following information: one son at the age of 40 who is being treated for high blood pressure‚ father’s record showed background of heart disease and deceased at the age of 90 due to a brain aneurysm‚ mother’s record provided extensive history with heart disease and deceased
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