Abstract
Literature describing the microstructure of austenitic-ferritic stainless steels is reviewed, including phases which can be deleterious, such as σ and ά. The mechanical properties and corrosion resistance of Carpenter Technology’s 7-Mo PLUSsr stainless (UNS S32950) demonstrate the resistance of this material to the formation of these phases and their deleterious effects. This material was evaluated in the annealed and welded conditions and after extended thermal treatments to simulate boiler and pressure vessel service.
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DeBold, T.A. Duplex stainless steel—Microstructure and properties. JOM 41, 12–15 (1989). https://doi.org/10.1007/BF03220990
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DOI: https://doi.org/10.1007/BF03220990