Effects　of　aging　time　(2　h,　6　h,　10　h)　at　750°C　on　precipitation　phases,　mechanical　properties　and　corrosion　resistance　of　2906　super　duplex　stainless　steel　after　solution　treatment　were　studied　by　means　of　optical　microscope(OM),　X-ray　diffraction(XRD),　scanning　electron　microscopy(SEM),　X-ray　energy　dispersive　analysis(EDS)　and　electrochemical　workstation.　The　results　indicate　that　aging　treatment　at　750°C　results　in　the　formation　of　σ　phase　and　γ2　phase.　The　amount　of　σ　phase　and　γ2　phase　increases　with　the　aging　holding　time　increased　from　2　h　to　10　h,　the　tensile　strength　and　corrosion　resistance　of　the　steel　decreases　with　the　aging　time　increasing　while　the　hardness　of　the　steel　increases.