Material: ASME SA-351 Grade HK 30 Description: Standard Specification for Austenitic-Ferritic Steel Castings for Valves, Flanges, Fittings, and Other Pressure-Containings Parts Group Name: Ferrous Stainless Steel Alloys Sub Group: ASME SA-351 Grade HK 30 Austenitic-Ferritic Steel Castings for Valves, Flanges, Fittings, and Other Pressure-Containings Parts Application: Intended for Valve, Pump, General Engineering, Automotive and Other Industries Standard: AS-AUSTRALIA