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The susceptibility of stainless steels to stress corrosion cracking (SCC) at temperatures below 50° C has been examined for the austenitic grades 304L, 316L and HyResist 94L and the duplex alloy HyResist 22/5 and confirmed in laboratory U-bend and constant load immersion tests. A study of the corrosion morphology with respect to environmental parameters in a matrix of solution pH, chloride ion concentration and temperature has been made. This information has been compiled into corrosion engineering diagrams, to provide a means of predicting the occurrence of SCC in low temperature applications for the grades studied. The corrosion and passivity patterns have also been analysed in relation to the observed incidence of SCC in swimming pool environments.

Additional information

Authors: FIELDER J W, British Steel plc, London (GB);HOBSON B A, British Steel plc, London (GB);PICKETT M L, British Steel plc, London (GB)
Bibliographic Reference: EUR 18001 EN (1998) 90pp., ECU 15.00
Availability: Available from the (2)
ISBN: ISBN 92-828-3500-6
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