UNS S31254 F51

Duplex F51 / UNS S31803 is a corrosion resistant, high strength steel that is typically used for pipes, valves and bolting connectors in severe environments such as the oil and gas industry.

UNS S31803

Werkstoff number 1.4462



ASTM A182 F51

NORSOK D41 to D45


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For technical information download our F51 information sheet here


F51 is used within the chemical processing, aerospace, oil and gas, power generation and heat treating industy.

Typical applications include

  • pumps
  • valves
  • pipework / flanges
  • bolting connectors & manifolds
  • rings
  • shafts
  • forgings
  • pressure systems

“We are not the biggest steel distributor around, but have differentiated ourselves by focusing on service, reliability and trying to find ways of helping customers rather than by just supplying metal – conversion, holding specific stock for quick delivery and consignment stock”

Mike Andrews

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