Material: UNE X 6 CrNiMoNb 17 12 2 Description: Standard Specification for Seemless Steel Tubes for Pressure Purposes Group Name: Ferrous Stainless Steel Alloys Sub Group: UNE X 6 CrNiMoNb 17 12 2 Seemless Steel Tubes for Pressure Purposes Application: Intended for Valve, Pump, General Engineering, Automotive and Other Industries Standard: UNE-SPAIN