Indian Railways and the steel industry in the subcontinent are dependant on each other. The growth of these sectors has a direct influence on the prosperity of the nation. The whooping raw material movement for feeding the growing steel industry necessitates improved rail services and the modernization programs initiated by railways aim at increasing demand of steel for railway products. Hence, the prospects are bright for an extended and fruitful partnership between railways and steel industry. Today, there is a continuously increasing demand for higher carrying capacity, greater train speeds, increasing axle loads, through put and improved traffic density coupled with need for enhanced safety, reliability and economy. These requirements necessitate use of special & alloy steels which are the most efficient materials for construction having tremendous potential for use as rolling stock, structurals and critical components. Along with the above, the introduction of new design of coaches, diesel locomotives and many critical assemblies call for enhanced use of alloy and special steels. In this paper, an overview is given on the category, quality and demand of railway steel products, including Nb microalloyed rails, high-strength bainitic rails, corrosion resistant rails, wheels, axles, springs, structurals, locomotive components, bearings and camshafts. These steels should meet the critical level of set properties like strength, toughness, fatigue resistance, wear resistance, weather resistance, etc, for the intended application. Also, the steel requirement of Indian railways in terms of volume, quality, delivery and service has been changing with passage of time. Hence, railways demand highest degree of consistency in quality - both metallurgical & dimensional which call for highly stringent steel specifications.


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    Titel :

    Alloy & special steel long products for Indian railways: challenges & opportunities


    Weitere Titelangaben:

    Langwalzerzeugnisse aus legierten und Spezialstählen für die indische Eisenbahn: Herausforderungen und Möglichkeiten


    Beteiligte:
    Raja, B.V.R. (Autor:in) / Gosh, P.K. (Autor:in) / Patnaik, S. (Autor:in)

    Erschienen in:

    Steel Scenario ; 16 , Q3 ; 65-73


    Erscheinungsdatum :

    2007


    Format / Umfang :

    9 Seiten, 2 Bilder, 16 Tabellen, 5 Quellen


    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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