Latest move is to lower carbon and get superior hardness and toughness from chromium alloy; drop tests as well as tests under service conditions of rails laid on 3° curve on main track of Boston and Maine Railroad; show that chromium rail steel is considerably superior to steel in present use; suggested composition is carbon 0.25 to 0.32%, manganese 0.50 to 0.75%, phosphorus 0.04% maximum, silicon 0.25 to 0.40%, and chromium 2.80 to 3.20%.


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    Title :

    Chromium steel rails are harder, tougher, stronger


    Additional title:

    Metal Progress


    Contributors:

    Published in:

    Metal Progress ; 25 , n 4


    Publication date :

    1934


    Size :

    4 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English


    Keywords :


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