Key Features

  • Superior Corrosion Resistance: S31254 excels in environments like seawater and other industrial settings due to its high molybdenum and nitrogen content. It offers exceptional resistance to pitting, crevice corrosion and uniform corrosion.
  • Moderate Tensile Strength with High Ductility: This grade offers a good balance between strength and flexibility, making it suitable for various applications.
  • Molybdenum and Nitrogen Alloyed: The addition of molybdenum and nitrogen significantly enhances the steel’s corrosion resistance capabilities.

Why Choose Brown McFarlane for your S31254 Plate Needs?

Developed specifically for the oil & gas, offshore, and paper industries, S31254 offers superior properties compared to standard austenitic stainless steel grades. It is 6% Molybdenum and Nitrogen alloyed leading to it’s high resistance to crevice and uniform corrosion.


  • Extensive Stock: We maintain a vast inventory of S31254 plate in various thicknesses and dimensions at our UK service centre, ensuring prompt availability for your project.
  • Technical Expertise: Our experienced sales team possesses a deep understanding of S31254’s properties and applications. We’re happy to assist you in selecting the most suitable plate for your specific requirements.
  • Customizable Solutions: Brown McFarlane offers custom cutting services to meet your exact size and shape specifications.
  • Quality Assurance: All our S31254 plates are sourced from reputable manufacturers and adhere to strict quality control standards.
  • Global Delivery: We utilise our experienced logistics team to deliver S31254 plates efficiently to any location worldwide.


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


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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