The Development of China railway vehicle steel casting production has been reviewed. Much progress has been made, especially in recent ten years, resulting in a improvement of casting quality and a quick increase of casting production volumes. The ZG230-450 carbon steel once widely used for a long period has been replaced by low alloy steels, such as Grade B, Grade C and Grade E, which meet the requirements of AAR-M.201 specification. The LF refining process technology is employed into some foundries in order to improve the quality of metals further. The conventional CO2-sodium silicate sand molding process, will be out of data soon since many new processes, such as ester-hardening sodium silicate sand molding process, 'vacuum' molding process, have been adopted to produce railway vehicle steel castings successfully and several production lines are being built. Some problems presented in the foundries are pointed out here. The measurements should be taken and the further development direction is suggested.


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    Title :

    Developement of China railway vehicle steel castings


    Additional title:

    Die Entwicklung von Stahlgussteilen für die Eisenbahn in China
    Titel chinesisch


    Contributors:
    Wang, Zehua (author) / Zhang Tao (author) / Fang, Xuefeng (author) / Lui, Tengbin (author)

    Published in:

    Zhuzao (Foundry) ; 54 , 5 ; 415-419


    Publication date :

    2005


    Size :

    5 Seiten, 2 Bilder, 3 Tabellen, 5 Quellen



    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    Unknown




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