Chemical Composition Base Element Fe (Iron) C (Carbon) 0.39 to 0.45 % Cr (Chromium) 0.8 to 1.2 % Cu (Copper) 0.3 % (maximum) Fe (Iron) 95.5 to 98.7 % (estimate) Mn (Manganese) 1 % (maximum) Mo (Molybdenum) 0.15 to 0.35 % Ni (Nickel) 0.4 % (maximum) P (Phosphorus) 0.03 % (maximum) S (Sulfur) 0.02 % (maximum) Si (Silicon) 0.6 % (maximum) V (Vanadium) 0.1 % (maximum) W (Tungsten) 0.1 % (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. Mechanical Properties Yield Strength 7.31e6 lbf/ft^2 Ultimate Tensile Strength 1.36e7 lbf/ft^2 Elongation 10 % strain Other Information Material Class Ferrous Alloy Alloy Family Alloy Steel Alloy Group Chromium molybdenum steel Alloy Sub-Group Miscellaneous chromium molybdenum steel Country France Standards Body AFNOR (France) Description 150<t<=400 mm; norm Designation G42CrMo4 Specification Type Standard Specification AFNOR NF A32-054 Specification Year 1994 Specification Status Active Specification Status Notes withdrawn Source Worldwide Guide to Equivalent Irons and Steels, 5th ed.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 Association Francaise de Normalisation (AFNOR) (French Association for Standardization)
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Chemical Composition

Base Element

Fe (Iron)