Abstract
The five categories of stainless steels and key features essential for stress corrosion cracking are introduced. The most damaging forms of stress corrosion cracking in austenitic stainless steels are chloride and caustic stress corrosion cracking and cracking in high temperature, high pressure aqueous environments. The influence of chemical composition, stacking fault energy, microstructure and environmental variables on stress corrosion cracking are summarized. The developments related to grain boundary engineering of austenitic stainless steels and the beneficial role of a high fraction of low energy grain boundaries against sensitization and sensitization induced stress corrosion cracking is described. Various fabrication parameters including cold/warm working, welding and residual stresses and surface finish on stress corrosion cracking are shown to influence stress corrosion cracking. Mitigation measures against stress corrosion cracking are briefly described.
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