Chemical Composition Base Element Fe (Iron) C (Carbon) 0.27 to 0.34 % Cr (Chromium) 0.6 to 1 % Fe (Iron) 93.4 to 95.6 % (estimate) Mn (Manganese) 0.5 to 0.8 % Mo (Molybdenum) 0.3 to 0.6 % Ni (Nickel) 2.6 to 3.2 % P (Phosphorus) 0.035 % (maximum) S (Sulfur) 0.035 % (maximum) Si (Silicon) 0.15 to 0.4 % V (Vanadium) 0.15 % (maximum) 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 Quenched and tempered Designation 30NiCrMo12 Specification Type Standard Specification UNI 7874 Specification Year 1979 Specification Status Obsolete Specification Status Notes withdrawn 1993 Source Worldwide Guide to Equivalent Irons and Steels, 5th ed.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)
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Chemical Composition