Ferralium 255

UNS S32550

Alloy 255 is a super duplex stainless which has a pitting resistance number greater than 40. Due to its copper content, it resists corrosion better than the other super duplexes, particularly in sea water applications.

Alloy 255 Fasteners


  • Plate, Sheet & Strip: ASTM A240
  • Rod & Bar: ASTM A479

Material Properties

Material Properties: Alloy 255

Technical Data Sheet

Industries & Applications

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