Chemical Composition Base Element Fe (Iron) C (Carbon) 0.52 to 0.59 % Cr (Chromium) 0.7 to 1 % Cu (Copper) 0.3 % (maximum) Fe (Iron) 96.1 to 98 % (estimate) Mn (Manganese) 0.7 to 1 % Mo (Molybdenum) 0.15 % (maximum) Ni (Nickel) 0.4 % (maximum) P (Phosphorus) 0.025 % (maximum) S (Sulfur) 0.025 % (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 2.61e7 lbf/ft^2 Ultimate Tensile Strength 2.92e7 to 3.55e7 lbf/ft^2 Elongation 3 % strain Other Information Material Class Ferrous Alloy Alloy Family Alloy Steel Alloy Group Chromium steel Alloy Sub-Group 5150/ 5155 Country France Standards Body AFNOR (France) Description t<1000 mm; QT Designation 55Cr3 Specification Type Standard Specification AFNOR NF A35-571 Specification Year 1996 Specification Status Active Specification Status Notes withdrawn Source Worldwide Guide to Equivalent Irons and Steels, 5th ed.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