Duplex Stainless
Chemical Composition
Composition (s) %
UNS NumberCommon DesignationCMnSiCrNiPSOthers
S315003RE600.0301.5 – 2.01.4 – 2.018.0 – 19.04.25 – 5.250.0300.0302.5-3.0 Mb
S3180322050.0302.0001.00021.0 – 23.04.5 – 6.50.0400.0202.5-3.5 Mb; 0.08-0.20 N
S32550Ferralium 2550.0301.5001.00024.0 – 27.04.5 – 6.50.0400.0301.5-2.5 Cu; 0.10-0.25 N; 2.0-4.0 Mb
S32750SAF25070.030MAX1.2MAX0.8MAX25MAX7.0000.035MAX0.020