Chemical Composition Base Element Fe (Iron) C (Carbon) 0.37 to 0.44 % Cr (Chromium) 0.4 to 0.6 % Fe (Iron) 96.5 to 97.9 % (estimate) Mn (Manganese) 0.7 to 1 % Mo (Molybdenum) 0.15 to 0.3 % Ni (Nickel) 0.4 to 0.7 % P (Phosphorus) 0.035 % (maximum) S (Sulfur) 0.02 to 0.04 % Si (Silicon) 0.1 to 0.4 % 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. Mechanical Properties Yield Strength 540 MPa (minimum) Ultimate Tensile Strength 750 to 1200 MPa Elongation 10 % strain (minimum) Brinell Hardness 217 (maximum) Other Information Material Class Ferrous Alloy Alloy Family Alloy Steel Alloy Group Nickel chromium molybdenum steel Alloy Sub-Group 8640/ 8740 Country International Standards Body ISO (International) Description Direct-hardened wrought steel for black product machine parts; QT, mech props vary with diameter; ann to max hardness Designation 41CrNiMoS2 Specification Type Standard Specification ISO 683-1 Specification Year 1987 Specification Status Active Specification Status Notes active 1987 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 International Organization for Standardization (ISO)
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Chemical Composition

Base Element

Fe (Iron)