Material: AFNOR NF X6CrNiMoNb17-12-2 Description: Standard Specification for Seemless Steel Tubes for Pressure Purposes Group Name: Ferrous Stainless Steel Alloys Sub Group: AFNOR NF X6CrNiMoNb17-12-2 Seemless Steel Tubes for Pressure Purposes Application: Intended for Valve, Pump, General Engineering, Automotive and Other Industries Standard: AFNOR-FRANCE