Chemical Composition Base Element Fe (Iron) C (Carbon) 0.65 to 0.75 % Cr (Chromium) 20 to 22 % Fe (Iron) 67.1 to 71.8 % (estimate) Mn (Manganese) 5.5 to 7 % N (Nitrogen) 0.18 to 0.28 % Ni (Nickel) 1.4 to 1.9 % P (Phosphorus) 0.04 % (maximum) S (Sulfur) 0.025 to 0.05 % Si (Silicon) 0.45 to 0.85 % Composition Note Fe is listed as a Base element for this material, but its % value is not listed in the specification. The value shown is a calculated one. Other Information Material Class Ferrous Alloy Alloy Family High-Alloy Steel (Corrosion and Heat Resistant, Stainless, and Nickel Steels) Alloy Group Miscellaneous or unclassified Alloy Sub-Group Miscellaneous high-alloy steel Country Italy Standards Body UNI (Italy) Description Valve Designation X70CrMnNiN216 Specification Type Standard Specification UNI 3992 Specification Year 1975 Specification Status Obsolete Specification Status Notes withdrawn 2000 Source Worldwide Guide to Equivalent Irons and Steels, 5th ed. ASM International 2006 Available forms Wrought Similar Alloys Click here to find similar alloys Links Organizations Ente Nazionale Italiano di Unificazione (UNI) (Italian National Standardization Office)
No warranty is given for the accuracy of these data Copyright © 2024 ASM International®

Chemical Composition