Chemical Composition Base Element Fe (Iron) C (Carbon) 0.52 to 0.6 % Cr (Chromium) 0.3 % (maximum) Cu (Copper) 0.2 % (maximum) Fe (Iron) 95.2 to 96.9 % (estimate) Mn (Manganese) 0.95 to 1.25 % Ni (Nickel) 0.25 % (maximum) P (Phosphorus) 0.035 % (maximum) S (Sulfur) 0.035 % (maximum) Si (Silicon) 1.5 to 2 % V (Vanadium) 0.1 to 0.15 % 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 1380 MPa (minimum) Ultimate Tensile Strength 1570 MPa (minimum) Elongation 6 % strain (minimum) Other Information Material Class Ferrous Alloy Alloy Family Alloy Steel Alloy Group Silicon steel Alloy Sub-Group Silicon steel Country Russia Standards Body GOST (Russia) Description Alloy steel for springs<80 mm; tempered. Designation 55S2GF Specification Type Standard Specification GOST 14959 Specification Year 1979 Specification Status Active Specification Status Notes Active 2005 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 State Committee of the Russian Federation for Standardization and Metrology Gosstandart of Russia (GOST)
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Chemical Composition