STP64

    The Susceptibility of Austenitic Stainless Steels to Stress-Corrosion Cracking

    Published: Jan 1945


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    Abstract

    Occasionally in the application of the austenitic chromium-nickel steels to corrosive conditions, failures have occurred by cracking without serious general over-all attack of the metal. As pointed out by Hoyt and Scheil(1), and by Scheil, et al.(2) as well as by Hodge and Miller(3), the stress-corrosion failures that have occurred have been limited in number, and have taken place only when the steels were exposed to certain corrodents. These investigators have stated that while stress-corrosion cracking can be intergranular in nature and originate at the grain boundaries of the austenitic chromium-nickel steels, it can also take place in transgranular fashion. They have shown that the cracking may be either initiated at the grain boundaries and may propagate along grain boundaries for some distance and then suddenly extend across grains, or it may begin in a transgranular fashion and suddenly proceed along grain boundaries until the cracking stops. Their data further show that when austenitic stainless steel is subject to intergranular attack, stress will concentrate and cause cracking in service.


    Author Information:

    Franks, Russell
    Chief Metallurgist, Research Metallurgist, Research Metallurgist, Union Carbide and Carbon Research Laboratories, Inc., Niagara Palls, N. Y.

    Binder, W. O.
    Chief Metallurgist, Research Metallurgist, Research Metallurgist, Union Carbide and Carbon Research Laboratories, Inc., Niagara Palls, N. Y.

    Brown, Charles M.
    Chief Metallurgist, Research Metallurgist, Research Metallurgist, Union Carbide and Carbon Research Laboratories, Inc., Niagara Palls, N. Y.


    Paper ID: STP42586S

    Committee/Subcommittee: B05.06

    DOI: 10.1520/STP42586S


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