SAF 2205™


数据表已更新 2021-09-23 08:18 (取代之前所有版本)


SAF 2205™ is a duplex (austenitic-ferritic) stainless steel characterized by:

  • High resistance to stress corrosion cracking (SCC) in chloride-bearing environments and environments containing hydrogen sulphide
  • High resistance to general corrosion, pitting and crevice corrosion
  • High resistance to erosion corrosion and corrosion fatigue
  • High mechanical strength - roughly twice the proof strength of austenitic stainless steels
  • Physical properties that offer design advantages
  • Good weldability


  • UNS: S31803
  • EN Number: 1.4462
  • EN Name: X2CrNiMoN22-5-3
  • W.Nr.: 1.4462

Product standards

EN 10088-3
Suitable for production of flanges etc. according to ASTM A-182 Grade F51
Analysis according to ASTM A-479, UNS S31803.


Status according to EN 10 204/3.1