Range attributes C (Carbon) 0.28 to 0.35 % Cr (Chromium) 2.8 to 3.3 % Elongation 12 % strain Fe (Iron) 94.4 to 96.2 % (estimate) Mn (Manganese) 0.4 to 0.7 % Mo (Molybdenum) 0.3 to 0.5 % Ni (Nickel) 0.3 % (maximum) P (Phosphorus) 0.03 % (maximum) S (Sulfur) 0.03 % (maximum) Si (Silicon) 0.4 % (maximum) Ultimate Tensile Strength 900 to 1000 MPa Yield Strength 700 MPa Discrete attributes ~Checking Status Not verified - Original build Date Last Checked Thursday, October 17, 2013 Alloy Family Alloy Steel Alloy Group Chromium molybdenum steel Alloy Sub-Group Miscellaneous chromium molybdenum steel Available forms Wrought Base Element Fe (Iron) Country Hungary Material Class Ferrous Alloy Source Worldwide Guide to Equivalent Irons and Steels, 5th ed. ASM International 2006 Specification Status Active Specification Type Standard Standards Body MSZ (Hungary) Short text attributes Composition Note_old 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. Country* Hungary Description_old Nitriding; QT; 100.1-250 mm Designation 31CrMo12 Specification MSZ 7779 Long text attributes 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. Description Nitriding; QT; 100.1-250 mm Hyperlink attributes Similar Alloys Click here to find similar alloys Integer attributes Specification Year 1988 Further Information Organizations Magyar Szabvanyugyi Testulet (MSZT) (Hungarian Standards Institution)
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Range attributes

C (Carbon)

0.28 to 0.35