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 and good weldability.
Its standards are: UNS: S32304, EN Number: 1.4362, EN Name: X2CrNiN23-4, W.Nr.: 1.4362, DIN: X 2 CrNiN 23 4, SS: 2327 and AFNOR: Z 2 CN 23.04AZ.
The product standards are: Seamless tube and pipe: ASTM A789; A790; EN 10216-5, Welded tube and pipe: ASTM A789; A790, Strip, sheet: 10088-2 and Bar steel and forged billets: EN 10088-3.
It is 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 and approved by DnV for general use on ships.