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S31254 (1.4547) 254 SMO Super Austenitic Stainless Steel was developed as a solution for the oil & gas, offshore and paper industries.

It is 6% Molybdenum and Nitrogen alloyed leading to it’s high resistance to crevice and uniform corrosion.

 

Applications

  • Valves
  • Flanges & fittings
  • Pulp & paper industry
  • Pipework
  • Pumps

Properties

Chemical analysis

Standard Grade C Mn Cr Ni Mo
ASTM A240/A240M UNS S31254 <0.020 <1 19.5 – 20.5 17.5 – 18.5 6.0 – 6.5

Mechanical properties

Grade Yield MPA Tensile MPA Elongation % (50mm)
UNS S31254 300 min 650 – 850 50

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