Sandvik SAF 2304

Tube and pipe, seamless

Datasheet updated 2015-06-08 12:47 (supersedes all previous editions)

Disclaimer: Recommendations are for guidance only, and the suitability of a material for a specific application can be confirmed only when we know the actual service conditions. Continuous development may necessitate changes in technical data without notice. This datasheet is only valid for Sandvik materials.

Sandvik SAF 2304 is a lean duplex (austenitic-ferritic) stainless steel characterized by the following properties:

  • Very good resistance to stress corrosion cracking (SCC)
  • Good resistance to general corrosion and pitting
  • High strength - approximately twice the proof strength of austenitic stainless steels
  • Physical properties that offer design advantages
  • Ease of fabrication and good toughness
  • Good weldability


  • UNS S32304
  • EN Number 1.4362
  • EN Name X2CrNiN23-4
  • W.Nr. 1.4362
  • DIN X 2 CrNiN 23 4
  • SS 2327
  • AFNOR Z 2 CN 23.04AZ

Product standards
Seamless tube and pipe: ASTM A789; A790; EN 10216-5
Welded tube and pipe: ASTM A789; A790
Strip, sheet: 10088-2
Bar steel and forged billets: EN 10088-3

Approved by the American Society of Mechanical Engineers (ASME) Boiler and Pressure Vessel Code, Section VIII, div. 1 construction.
ASME B31.3 Process Piping
VdTÜV-Werkstoffblatt 496
NGS 1607 (Nordic rules for applications) valid for SAF 2304 made by Sandvik.
Approved by DnV for general use on ships
Approved by RINA, registration No MAC/112/90