1.Duplex Steel :S32101,S32205,S31803,S32304,S32750, S32760 2.Standard: ASTM A790/A789 PICKLED AND ANEANLED 3.Duplex Stainless Steels Pipe offers high strength property and good resistance to localized and uniform corrosion.The high corrosion resistance of duplex stainless steel ensures significantly more uptime than carbon steels and conventional stainless steels, while the mechanical strength allows for lighter constructions, more compact system design and less welding.