Duplex stainless 2205 (UNS S32205) is a chromium-nickel- molybdenum-nitrogen stainless steel. UNS S32205 has high strength and corrosion resistance at temperatures up to 316°C. UNS S32205 is a duplex grade with a ferritic-austenitic microstructure. The alloy consists of around 40-50% ferrite in the annealed condition.
How do you weld 2205 duplex stainless steel?
If the 2205 is greater than about 0.625 inch (16 mm) thickness, and welding is to be done with very low heat input (≤12 kJ/inch, 0.5 kJ/mm), preheating to the range of 200–300°F (95–150°C) can be useful. The purpose of this preheating is to avoid excessively rapid cooling and a resulting extremely high ferrite content.
How is duplex stainless made?
Duplex SS are two-phase alloys containing equal proportion of ferritic and austenitic phases in their microstructure, providing a combination of the corrosion resistance of austenitic stainless steels with greater strength.
Round bar
1)Hot rolled black bar: (5-400)x6000mm or according to your requirement.
2)Acid round bar: (5-400)x6000mm or according to your requirement.
3)Cold drawn bright bar: (1-20)x6000mm or according to your requirement.
4)Polishing round bar: (5-400)x6000mm or according to your requests.
Water proof film coated, standard export package or as required.
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Tianjin, Shanghai or as required.
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