SAF 2507, is a Alleima-owned trademark (Formerly Sandvik Materials Technology) for a 25Cr duplex (ferritic-austenitic) stainless steel.
The nominal chemical composition of SAF 2507 is 25% chromium, 7% nickel, 4% molybdenum and other alloying elements such as nitrogen and manganese.
[1] The UNS designation for SAF 2507 is S32750 and the EN steel no.
SAF derives from Sandvik Austenite Ferrite.
Typical properties of SAF 2507 duplex stainless steel are:[2]