6 Mo (UNS S31254) SMO 254 is a super austenitic stainless steel with a high level of molybdenum and nitrogen, providing high resistance to pitting and crevice corrosion as well as high strength compared with conventional austenitic stainless steels such as 316L.Sandvik 254 SMO is a high-alloy austenitic stainless steel Bolts studs Nuts are developed for use in seawater and other aggressive chloride-bearing media. The steel is characterized by the following properties:Excellent resistance to pitting and crevice corrosion, PRE = ≥42.5*High resistance to general corrosionHigh resistance to stress corrosion crackingHigher strength than conventional austenitic stainless steelsGood weldability*The PRE is defined as, in weight-%, PRE = %Cr + 3.3 x %Mo + 16 x %NStandardsUNS: S31254EN Number: 1.4547EN Name: X1CrNiMoCuN20-18-7W.Nr.: 1.4529**SS: 2378*AFNOR: Z1 CNDU 20.18.06AZ*
