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Tensile-Property Characterization of Thermally Aged Cast Stainless Steels (NUREG/CR-6142)On this page: Download complete document The following links on this page are to documents in Adobe Portable Document Format (PDF). See our Plugins, Viewers, and Other Tools page for more information. For successful viewing of PDF documents on our site please be sure to use the latest version of Adobe. Publication InformationManuscript Completed: January 1994 Prepared by Argonne National Laboratory Prepared for AbstractThe effect of thermal aging on tensile properties of cast stainless steels during service in light water reactors has been evaluated. Tensile data for several experimental and commercial heats of cast stainless steels are presented. Thermal aging increases the tensile strength of these steels. The high–C Mo–bearing CF–8M steels are more susceptible to thermal aging than the Mo–free CF–3 or CF–8 steels. A procedure and correlations are presented for predicting the change in tensile flow and yield stresses and engineering stress–vs.–strain curve of cast stainless steel as a function of time and temperature of service. The tensile properties of aged cast stainless steel are estimated from known material information, i.e., chemical composition and the initial tensile strength of the steel. The correlations described in this report may be used for assessing thermal embrittlement of cast stainless steel components. |
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