Material: BS 309C30 Description: Standard Specification for Heat Resisting Stainless Steel; Steel Castings for General Engineering Purposes Group Name: Ferrous Stainless Steel Alloys Sub Group: BS 309C30 Heat Resisting Stainless Steel; Steel Castings for General Engineering Purposes Application: Intended for Valve, Pump, General Engineering, Automotive and Other Industries Standard: BS-BRITISH STANDARD