Duplex stainlees steel is kind of steel which contains roughly 50% austenite and 50% ferrite, it has the advantages of both austenitic and ferritic stainless steel. Its speicfication is from 16 to 219mm.
It has the character of balanced two-phase structure, good corrosion resistance, excellent mechanical properties, good adaptation of high and low temperature, high intensity and tenacity, good heat conductivity and small tendency of hot cracking. It can be widely used in heat exchanger and tube on oil desalt device, catalyst tubebank of tubular reactor for methanol manufacturing, precondenser for VCM, convery pipe and header/ocean oil/gas indusry, water treatment and supply system, fire extinguishing system, water sparying and stablizing system of offshore platform, pressure vessel, tanks and so on.
