Chemical Composition Base Element Fe (Iron) C (Carbon) 0.56 to 0.64 % Fe (Iron) 96.1 to 96.9 % (estimate) Mn (Manganese) 0.7 to 1 % P (Phosphorus) 0.03 % (maximum) S (Sulfur) 0.03 % (maximum) Si (Silicon) 1.8 to 2.2 % 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 1300 MPa Ultimate Tensile Strength 1450 to 1750 MPa Elongation 6 % strain (minimum) Brinell Hardness 248 (maximum) Other Information Material Class Ferrous Alloy Alloy Family Alloy Steel Alloy Group Silicon steel Alloy Sub-Group Silicon steel Country International Standards Body ISO (International) Description HR steel for QT springs; soft ann hardness. Alternate Name formerly Type 1 Designation 60Si8 Specification Type Standard Specification ISO 683-14 Specification Year 2004 Specification Status Active Specification Status Notes active 2004 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