Sandvik 254 SMO (ESR)


数据表已更新 2021-04-22 18:38 (取代之前所有版本)


Sandvik 254 SMO* (ESR) is a high-alloy austenitic stainless steel developed for use in seawater and other aggressive chloride-bearing media. The steel is electroslag remelted which gives a cleaner material free from segregations. The grade is characterized by:

  • Excellent resistance to pitting and crevice corrosion
  • High resistance to general corrosion
  • High resistance to stress corrosion cracking
  • Higher strength than conventional austenitic stainless steels
  • Good weldability

Trademark information: 254 SMO is a trademark owned by Outokumpu OY.


  • UNS: S31254
  • EN Number: 1.4547
  • SS: 2378

Product standards

EN 10088-3

Suitable for production of flanges etc. according to ASTM A182 Grade F44.


Status according to EN 10 204 3.1