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Continuous Casting Of Steel Fundamental Principles And Practice Pdf

continuous casting of steel fundamental principles and practice pdf

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In metalworking and jewelry making, casting is a process in which a liquid metal is delivered into a mold usually by a crucible that contains a negative impression i. The metal is poured into the mold through a hollow channel called a sprue. The metal and mold are then cooled, and the metal part the casting is extracted. Casting is most often used for making complex shapes that would be difficult or uneconomical to make by other methods. Casting processes have been known for thousands of years, and have been widely used for sculpture especially in bronze , jewelry in precious metals , and weapons and tools.

Mould Powder Development for Continuous Casting of Steel

Heat Transfer Studies and Applications. The quest for billets and blooms production in the continuous casting of carbon steels with more stringent quality demands in internal soundness, free from surface defects, and internal porosity has increased the need for more insight in the appraisal of the phenomena associated with solidification under industrial conditions. Medium and high carbon steels cover a broad range of manufacturing products; nevertheless, the production of this type of material with a constant high percentage of prime-choice products remains a tough subject to analyze, understand, and more difficult to attain in practice. These carbon steels exhibit relatively low liquidus and solidus temperatures, with these values decreasing even further as carbon levels increase. It is realized that the larger the cross-section of the produced cast product the more time it requires in order to solidify completely. Big-sized cast products or blooms are more desirable for mainly two reasons: a large cross-sections are associated with large values of mass per unit length, hence, productivity is favored, and more important b large cross-sections are subject to larger values of area reduction once rolled, giving products with smaller possibility to quality degradation. In practice, fundamental operation parameters like casting speed, casting temperature, and cooling-water consumption at the secondary spray zones per produced mass of steel are among the most critical ones that the operator should keep in mind, once these have been analyzed, and their impact upon quality has been realized.

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Continuous Casting of Steel_ Basic Principles

Prior to the introduction of Continuous Casting in the s, steel was poured into stationary molds to form "ingots". Since then, "continuous casting" has evolved to achieve improved yield, quality, productivity and cost efficiency. Figure 1 shows some examples of continuous caster configurations. Figure 1 - Examples of Continuous Casters Steel from the electric or basic oxygen furnace is tapped into a ladle and taken to the continuous casting machine. The ladle is raised onto a turret that rotates the ladle into the casting position above the tundish. Referring to Figure 2, liquid steel flows out of the ladle 1 into the tundish 2 , and then into a water-cooled copper mold 3. Solidification begins in the mold, and continues through the First Zone 4 and Strand Guide 5.

continuous casting of steel fundamental principles and practice pdf

Casting (metalworking)

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Mould Powder Development for Continuous Casting of Steel

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Casting (metalworking)

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Continuous Casting of Steel_ Basic Principles

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1 Comments

  1. Mikeonthemove

    06.05.2021 at 13:04
    Reply

    Mould powders significantly determine the stability of the continuous casting process of steel at all casting speeds.

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