SINTEF Materials Technology Department for Corrosion and Surface Technology has studied the risk for chloride stress corrosion cracking (CSCC) on high-alloy stainless steels as a dependence on temperature in severe marine environments, where concentrated chloride solutions may occur. A test method has been developed simulating the extreme conditions where sea water is trapped, evaporated and concentrated. The risk for external CSCC of hot stainless steel pipes and vessels varies very much because of large variations in water wetting and drying. Based on the studies safe temperature limits with respect to chloride stress corrosion cracking for worst case conditions on an offshore platform for the 22% Cr and superduplex stainless steels are 100 deg C and 110 deg C respectively. For the austenitic 6Mo grades and AISI 316L the safe temperature limits are 120 deg C and 60 deg C respectively.


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    Titel :

    Application limits for high-alloy stainless steels with respect to chloride stress corrosion cracking


    Beteiligte:
    Drugli, J.M. (Autor:in) / Rogne, T. (Autor:in)


    Erscheinungsdatum :

    2001


    Format / Umfang :

    8 Seiten, 3 Bilder, 3 Tabellen, 10 Quellen



    Medientyp :

    Aufsatz/Kapitel (Buch)


    Format :

    Print


    Sprache :

    Englisch