Material: AFNOR NF Z 2 CND 25-22 Az Description: Standard Specification for Seemless Steel Tubes for Pressure Purposes Group Name: Ferrous Stainless Steel Alloys Sub Group: AFNOR NF Z 2 CND 25-22 Az Seemless Steel Tubes for Pressure Purposes Application: Intended for Valve, Pump, General Engineering, Automotive and Other Industries Standard: AFNOR-FRANCE