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Special Steels


304H || 316H || 317L || 321H || 347H || S31803 || S32750 || S32760 || S31254 || S32550 || 410 ||


We are your one-stop shop for special steels & modified steel grades.

With our special steels we support Customers engaged in several market fields, such as Energy, Aerospace, Oil & Gas, Chemical, Petrochemical, Water Treatment, Pulp & Paper, General Engineering,...

We supply BARS, SHEETS, PLATES, PIPING & TUBING, FASTENERS in various hard to find steels.


1.4948 || 1.4919 / 1.4401 || 1.4438 || 1.4878 || 1.4961 / 1.4550 || 1.4462 || 1.4410 || 1.4501 || 1.4547 || 1.4507 || 1.4006 ||



- stock  - fasteners stock   - production
    - sales@af-trading.it


F51 || UNS S31803 - S32205, 1.4462, SAF 2205®, X2CrNiMoN22.5.3, DUPLEX

F51 || UNS S31803 - S32205, 1.4462, SAF 2205®, X2CrNiMoN22.5.3, DUPLEX

This duplex stainless steel has a good resistance to corrosion stress combined with high mechanical strength.
S31803 is very popular in Oil&Gas market.

NORSOK M630 MDS D41; D42; D43; D44, D45; D47

Main fields of application:

Oil&Gas, Chemical, Hydro, Pulp & Paper, Petrochemical, Pressure Vessels.


Our products in F51 || UNS S31803 - S32205, 1.4462, SAF 2205®, X2CrNiMoN22.5.3, DUPLEX are:

  • Bars
  • Sheets
  • Plates
  • Piping & Fittings
  • Fasteners

Main specifications / standards usually required on F51 S31803 : ASTM A182, ASTM A479, ASTM A276, ASME SA182, ASME SA479, ASME SA276, ASTM A240, ASME SA240, ASTM A790, ASME SA790, ASTM A958, ASME SA958, ASTM A815, ASME A815, ASTM A789, ASME SA269, NORSOK M630, NORSOK M650, MDS D47, MDS D45, MDS D41, MDS D42, MDS D43, MDS D44.


torna a: Acciai Speciali


F51 S31803 barre tonde, F51 S31803 barre esagonali, F51 S31803 lamiere, F51 S31803 piastre, F51 S31803 pipes, F51 S31803 piping, F51 S31803 raccorderia, F51 S31803 tubi, F51 S31803 tubing, F51 S31803 curve, F51 S31803 riduzioni, F51 S31803 T, F51 S31803 bulloneria, F51 S31803 viteria, F51 S31803 bulloni, F51 S31803 tiranti, F51 S31803 viti, F51 S31803 dadi, F51 S31803 rondelle