This kind of steel has the characteristics of Austenite and Ferritic stainless steel. Compared with ferritic steel, it has higher plasticity and toughness, no room temperature brittleness, and significantly improved intergranular corrosion resistance and welding performance. Meanwhile, it also has the characteristics of 475℃ brittleness, high thermal conductivity and super plasticity. Compared with Austenitic stainless steel, its strength is higher and its resistance to intercrystalline corrosion and chloride stress corrosion is improved obviously.Especially under the condition of harsh medium environment (such as seawater, high chloride ion content), the anti-pitting corrosion, crevice corrosion, stress corrosion and corrosion fatigue performance of duplex stainless steel is obviously better than ordinary  Austenitic stainless steel, which can be comparable with high-alloy  Austenitic stainless steel.
Our company is one of the enterprises with the most complete varieties of duplex steel in China. The products we have successfully produced and developed more than 10 varieties, such as UNS S32101, S32304, S31500, S31803, S32205, S32750, S32760, S32707, S31260, S39274 and so on.