Material: SFS GX 3 CrNi 13 4 Description: Standard Specification for Steel Castings for Pressure Purposes Group Name: Ferrous Stainless Steel Alloys Sub Group: SFS GX 3 CrNi 13 4 Steel Castings for Pressure Purposes Application: Intended for Valve, Pump, General Engineering, Automotive and Other Industries Standard: SFS-FINALAND