Carbon steel

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“Production process for ferrite-martensite DP600 steel with 30-35% total elongation” Team Members- Kishan - B.Tech (Juniour Undergraduate), Dept. of Metallurgical Engineering, IIT (BHU) – 13145020 Lal Babu Singh - B.Tech (Juniour Undergraduate), Dept. of Metallurgical Engineering, IIT (BHU) – 13145024 Contents: 1. The Concept of Dual Phase steels. 2. Factors influencing mechanical properties of Dual Phase steels. 3. The Challenge: Increasing total elongation without compromising

ENG 1050 –Materials Selection Report Abstract After careful considerations of material properties with the objectives of the research (minimise cost and weight), the material that would be most suitable for the wind turbine tower is low-alloy steel and for the blades, CFRP. Considering the design constraints, the tower is best designed with a hollow circle frame with 5m (inner) and 3m (outer) radius which translates to a material cost of $4.96 million (tower only) and weighs 7893 tonnes. CFRP is

1. Introduction Erosion corrosion is the combined effect of corrosion and erosion, which is caused when a rapid turbulent fluid passes through the metal surface [1], which are already corroded by pits. The pits are formed because of the breakage of the oxide layer of the metal. A combination of erosion and corrosion can lead to very high pitting rates. The joint action of the erosion and corrosion is known as erosion-corrosion, which is encountered prominently in chemical processing industries like

As mentioned in the introductory part, there are two basics of steel making: oxygen steelmaking and electric arc furnace. Steel manufacturing sites, sometimes-called integrated sites, use blast furnace to refine iron ore into steel. The most basic process applied by most steel manufacturing companies if the Basic Oxygen Furnace to change iron into steel. At the site of production, liquid iron flows into the BOF section where pure oxygen is blown into the iron at very high speed. The oxygen comes

manufactures. Application of advanced high-strength dual phase (DP) steels is being considered as one of the efficient ways to obtain the above mentioned goals [1-3]. (DP) steels have attracted considerable attention in the automotive industry due to favorable combination formability, work hardening, ductility and high strength to weight ratio [4]. The mentioned features is resulted from the unit microstructure of the DP steels. DP steels despite their name consist of three or more phases including ferrite

Maraging steels of different compositions have been prepared by means of induction furnace electro slag remelting technique using titanium and chromium instead of cobalt which is a high expensive strategic element, also nickel content was reduced to 10-13%. Mass attenuation coefficients, half value layers and effective atomic numbers have been determined for the prepared samples at photon energies 238, 583, 661, 911, 1173, 1332 and 2614keV. The results are compared with the corresponding theoretical

gained, using the benchmark grade 350 steel. Grade 350 steel In general, the strength of a steel is controlled by its microstructure which changes according to its chemical composition, its thermal background and the deformation processes it undergoes during its production schedule. Hence, different steels will have different strengths and most nations measure its strengths by a national standard. According to engineers Australia, Australia grades their steel according to their yield strength,

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

teelIRON AND STEEL INDUSTRY IN INDIA Corporate Catalyst India A report on Indian Iron and Steel Industry OVERVIEW 1.1 Background The Indian iron and steel industry is nearly a century old, with Tata Iron & Steel Co (Tata Steel) as the first integrated steel plant to be set up in 1907. It was the first core sector to be completely freed from the licensing regime (in 1990-91) and the pricing and distribution controls. The steel industry is expanding worldwide. For a number of years it has