Material: AFNOR NF X2CrNiMoN25-7-4 Description: Standard Specification for Seemless Steel Tubes for Pressure Purposes Group Name: Ferrous Stainless Steel Alloys Sub Group: AFNOR NF X2CrNiMoN25-7-4 Seemless Steel Tubes for Pressure Purposes Application: Intended for Valve, Pump, General Engineering, Automotive and Other Industries Standard: AFNOR-FRANCE