Super Duplex Steel has 25% chromium, 4% molybdenum, and 7% nickel. This high molybdenum, chromium and nitrogen content causes’ high resistance to chloride pitting and crevice corrosion attack and the duplex structure provides exceptional resistance to chloride stress corrosion cracking.
Super Duplex Steel is characterized by excellent resistance to stress corrosion cracking (SCC) in chloride-bearing environments, very high mechanical strength, physical properties that offer design advantages, high resistance to erosion corrosion and corrosion fatigue, excellent resistance to pitting and crevice corrosion, high resistance to general corrosion, and good weldability.
Go through following super duplex steel product for detail information: