AK Steel 2205 duplex stainless steel combines the exceptional corrosion performance of a high chromium ferritic alloy to resist SCC with the enhanced corrosion resistance of austenitic stainless steels. This datasheet provides information on composition, physical properties, hardness, and tensile properties as well as fracture toughness. It also includes information on corrosion resistance as well as forming, machining, and joining. Filing Code: SS-1250. Producer or source: AK Steel Corporation.