duplex stainless steel wire mesh The Duplex alloys offer a mixed austenite and ferrite microstructure, combining many of the beneficial properties of both. Characterized by high chromium and nitrogen, they are special grades of stainless steel that have improved resistance to pitting and crevice corrosion, particularily in marine applications. Tags:duplex 2205|duplex 2507 stainless steel wire mesh|duplex 2209|