Material: NBR CD-4MCu Description: Standard Specification for Castings Iron-Chromium, Iron-Chromium-Nickel for General Engineering Purposes Group Name: Ferrous Stainless Steel Alloys Sub Group: NBR CD-4MCu Castings Iron-Chromium, Iron-Chromium-Nickel for General Engineering Purposes Application: Intended for Valve, Pump, General Engineering, Automotive and Other Industries Standard: NBR-BRAZIL