The presently applied tests to qualify stainless steels in marine environments are unrealistic, tests such as ferric chloride pitting tests or other specially designed procedures. The industry has therefore during the last decades discussed test methods suitable for qualification of stain-less steels used in seawater applications. As the main threat for safe use of stainless steels in marine waters is crevice corrosion, a qualification test should reflect the crevice corrosion susceptibility of the tested materials. To develop a new realistic crevice corrosion qualification test for stainless steels to be applied in marine environments, users and manufacturers in co-operation with research institutions joined forces in a European Commission funded program named CREVCORR. The main objective of this European programme is to develop a new test method to characterise the susceptibility of stainless steels and other passive materials to crevice corrosion attacks in natural and treated seawaters. At present, just before termination of the project, a new test procedure for crevice corrosion testing has been developed, and the reliability and reproducibility of the test method have been verified through a comprehensive round robin test. Based on the experiences made in the round robin test, the test method will be revised, and it is then the objective to develop the method into an ISO standard.


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    Title :

    Development of a new crevice corrosion qualification test for stainless steels


    Contributors:


    Publication date :

    2003


    Size :

    6 Seiten, 2 Bilder, 2 Tabellen, 3 Quellen



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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