Material: DIN 1.4409 Description: Standard Specification for Austenitic and Austenitic-Ferritic Steel Castings for Pressure Purposes Group Name: Ferrous Stainless Steel Alloys Sub Group: DIN 1.4409 Austenitic and Austenitic-Ferritic Steel Castings for Pressure Purposes Application: Intended for Valve, Pump, General Engineering, Automotive and Other Industries Standard: DIN-GERMANY