BOS Metal Group Co., LTD

UNS S31803 / 2205
Super duplex stainless steel

UNS S31803 / 2205
Features
  • The combination of chromium, molybdenum and nitrogen make 2205 highly resistant to chloride pitting and crevice corrosion
  • It has good weldability and workability
  • 205 duplex stainless steel contains approximately 40-50% ferrite
Chemical Analysis
% Ni Cr Mo Si N S P Fe
Min 4.5 22 3 0.2 0.14 - - Balance
Max 5.5 23 3.5 0.7 0.2 0.02 0.03 -
Product Form

Sheet & plate

  • Applications
    UNS S31803 / 2205
    • Chemical process vessels, heat exchangers
    • Pulp mill digesters, bleach washers
    • Flue gas desulfurization equipment
    • Oil field piping and heat exchangers
    • Food processing equipment
  • Inquiry

Since 1999, BOS Metal Group has been China’s leading supplier of metal products.

Beyond our production operations, we offer technical consultation, technology development, and services involved in the field of special steel plates, super stainless steel, titanium and nickel alloys, chromoly alloys, aluminum alloys and more. All materials can be provided in different shapes like plates, bars, pipes, tubes, wire, beams, flanges, fittings, etc.

Other Alloy Materials