SAF 2507 is a 25Cr duplex (ferritic-austenitic) stainless steel. The nominal chemical composition of SAF 2507 is 25% Chromium, 7% Nickel, 4% Molybdenumand and other alloying elements such as Nitrogenand Manganese.The UNS designation for SAF 2507 is S32750 and the EN steel no. is 1.4410.Typical properties of SAF 2507 duplex stainless steel are:
- excellent resistance to stress corrosion cracking in chloride-bearing environments.
- excellent resistance to pitting corrosion and crevice corrosion.The alloy is supplied with a PREN (Pitting Resistance Equivalent) at >= 40.0
- high resistance to general corrosion
- very high mechanical strength,typically up to 570 MPa yield strength
- physical properties that offer design advantages
- high resistance to erosion corrosion and corrosion fatigue
- good weldability
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