Material: AFNOR NF NC4020 Description: Standard Specification for Castings, Nickel and Nickel Alloy Group Name: Non-Ferrous Nickel Alloys Sub Group: AFNOR NF NC4020 Castings, Nickel and Nickel Alloy Application: Intended for Valve, Pump, General Engineering, Automotive and other Industries Standard: AFNOR-FRANCE