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Duplex stainless steel 2205 combine the best attributes of both austenitic and ferritic stainless steels and provide high strength/ductility with good corrosion resistance to corrosion (including stress corrosion cracking). This gives them a significant advantage over 316L and 317L stainless steels.
The chemical component of Duplex stainless steel 2205 :
C≤0.030 Mn≤2.00 Si≤1.00 p≤0.030 S≤0.020 Cr 21.0~23.0 Ni 4.5~6.5 Mo2.5~3.5 N0.08~0.20
The Mechanical property:
Tensile Strength ≥625MPA Yield Strength ≥450MPA
Elongation ≥25 Hardness ≤290HB
Application Area
Chemical processing, transport and storage, Oil and Gas exploration and processing equipment, Marine and other high chloride environments, Pulp and paper digesters, liquor tanks and paper machines.