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Norsok Grades


We supply bars, sheets & plates, piping & fittings, forgings, fasteners, up machined components, with Norsok Steels and Norsok Titanium suited for the most severe Oil & Gas applications.

We support our Customers involved in manufacturing systems, structures and valves for subsea, off-shore, wellhead, cryogenics, pipelines and flow-control applications involved into projects requiring Norsok standards.

Our capability to serve Customers with NORSOK M650/M630 materials and products (where applicable products can be supplied to TR2000 too), from single item up to a complete package, is a top efficient and effective service, based on specific focus, know-how & experience, along with reactivity, flexibility and prompt trouble shooting attitude.

Our Customers could benefit of our turnkey service to promptly answer to requirements for metallic material and components addressed to Northern Europe Oil & Gas, Off-Shore and Marine Projects.

- stock  - fasteners stock   - production

F44 || UNS S31254, 6Mo®, 254SMo®, 6Moly®, X1CrNiMoCuN20.18.7, SUPER AUSTENITIC 1.4547

F44 || UNS S31254, 6Mo®, 254SMo®, 6Moly®, X1CrNiMoCuN20.18.7, SUPER AUSTENITIC 1.4547

This super austenitic stainless steel has a good ductility combined with excellent corrosion resistance in seawater environment. 
S31254 is a very popular steel for off-shore oil&gas, marine and naval applications.

NORSOK M630 MDS R11; R12; R13; R14, R15; R17

Main fields of application:

Oil&Gas, Off-Shore, Naval, Marine, Petrochemical.

Our products in F44 || UNS S31254, 6Mo®, 254SMo®, 6Moly®, X1CrNiMoCuN20.18.7, SUPER AUSTENITIC 1.4547 are:

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


Main specifications / standards usually required on F44 S31254 : ASTM A182, ASTM A479, ASTM A276, ASME SA182, ASME SA479, ASME SA276, ASTM A240, ASME SA240, ASTM A312, ASME SA312, ASTM A358, ASME SA358, ASTM A403, ASME A403, ASTM A269, ASME SA269, NORSOK M630, NORSOK M650, MDS R17, MDS R15, MDS R11, MDS R12, MDS R13, MDS R14.

back to: Special Steels

F44 S31254 round bars, F44 S31254 hexagonal bars, F44 S31254 sheets, F44 S31254 plates, F44 S31254 pipes, F44 S31254 piping, F44 S31254 fittings, F44 S31254 tubes, F44 S31254 tubing, F44 S31254 elbows, F44 S31254 reducers, F44 S31254 Tee, F44 S31254 tubes, F44 S31254 tubing, F44 S31254 fasteners, F44 S31254 bolts, F44 S31254 stud bolts, F44 S31254 screws, F44 S31254 nuts, F44 S31254 washers