Ferritic Steel/CSEF: Grade 91 Steel Performance

Thursday, February 27, 2025: 10:30 AM-12:10 PM
Indian Wells J (Grand Hyatt Indian Wells Resort)
Dr. Nobuyoshi Komai, Mitsubishi Heavy Industries, Ltd. and Mr. Eun Jang, Electric Power Research Institute
10:30 AM
Effect of manufacturing process parameters on long-term microstructural evolution and accumulation of creep damage in Grade 91 material
Dr. Matteo Ortolani, Tenaris; Mr. Roberto Locatelli, Tenaris; Dr. John Siefert, Electric Power Research Institute; Dr. Alex Bridges, Electric Power Research Institute
10:55 AM
Effects of Chemical Composition and Heat Treatment on Creep Properties of ASME Grade 91 Type Steel
Dr. Masatsugu YAGUCHI, Central Research Institute of Electric Power Industry; Tomoaki HAMAGUCHI, Nippon Steel Corporation; Kazuhiro MIKI, The Japan Steel Works, Ltd; Kyohei NOMURA, IHI Corporation; Nobuyoshi KOMAI, Mitsubishi Heavy Industries, Ltd
11:20 AM
Ferritic Steel / CSEF - An Engineering Approach For Weld Creep Lifetime Assessment based on Local Property Measurement
Dr. Wei Zhang, Oak Ridge National Laboratory; Dr. Yiyu Wang, Oak Ridge National Laboratory; Dr. Yanli Wang, Oak Ridge National Laboratory; Dr. Zhili Feng, Oak Ridge National Laboratory; Dr. John Siefert, EPRI; Dr. Alex Bridges, Electric Power Research Institute; Dr. Steven C. Kung, Ph.D., FNACE, Electric Power Research Institute
11:45 AM
Creep Crack Growth of Interrupted High and Low Creep Ductility Grade 91 Steel
Mr. Troy R. Hanes, University of Idaho; Dr. Robert Stephens, University of Idaho; Dr. John Siefert, EPRI; Dr. Ian Perrin, Triaxis Power Consulting LLC
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