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Duplex Steel

Duplex Steel were originally created to combat corrosion problems caused by chloride-bearing cooling waters and other aggressive chemical process fluids. Called Duplex because of its mixed microstructure with about equal proportions of ferrite and austenite, duplex stainless steels are a family of grades, which range in corrosion performance depending on their alloy content. The chemical composition based on high contents of Cr and Mo, improves intergranular and pitting corrosion resistance, respectively. Additions of nitrogen can promote structural hardening by interstitial solid solution mechanism, which raises the yield strength and ultimate strength values without impairing toughness. Moreover, the two-phase microstructure guarantees higher resistance to pitting and stress corrosion cracking in comparison with conventional stainless steels. Available forms are Duplex Steel Pipes & Tubes, Duplex Steel Round Bars, Duplex Steel Fasteners, Duplex Steel Sheet, Duplex Steel Plate, Duplex Steel Forged Fittings, Duplex Steel Valves, Duplex Steel pipe fittings, Duplex Steel flanges.

Duplex Pipes
Duplex Tubes
Duplex Flanges
Duplex Round Bars