Chemical Composition Base Element Fe (Iron) C (Carbon) 0.28 to 0.35 % Cr (Chromium) 2.8 to 3.3 % Cu (Copper) 0.3 % (maximum) Fe (Iron) 93.9 to 96.1 % (estimate) Mn (Manganese) 0.4 to 0.7 % Mo (Molybdenum) 0.3 to 0.5 % Ni (Nickel) 0.4 % (maximum) P (Phosphorus) 0.035 % (maximum) S (Sulfur) 0.035 % (maximum) Si (Silicon) 0.1 to 0.4 % Ti (Titanium) 0.05 % (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 1.84e7 lbf/ft^2 Ultimate Tensile Strength 2.26e7 to 2.67e7 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 t<=16 mm Designation 30CD12 Specification Type Standard Specification AFNOR NF A35-552 Specification Year 1984 Specification Status Active Specification Status Notes withdrawn Source Worldwide Guide to Equivalent Irons and Steels, 5th ed.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