Chemical Composition Base Element Fe (Iron) C (Carbon) 0.42 to 0.5 % Fe (Iron) 97.7 to 98.6 % (estimate) Mn (Manganese) 0.7 to 1.1 % P (Phosphorus) 0.06 % (maximum) S (Sulfur) 0.15 to 0.25 % Si (Silicon) 0.15 to 0.4 % 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 9.4e6 lbf/ft^2 (minimum) Ultimate Tensile Strength 1.27e7 to 2.05e7 lbf/ft^2 Elongation 5 % strain (minimum) Brinell Hardness 229 (maximum) Other Information Material Class Ferrous Alloy Alloy Family Carbon Steel Alloy Group Medium-carbon steel Alloy Sub-Group 1145/ 1146 Country International Standards Body ISO (International) Description Wrought free-cutting direct-hardening steel; CD, mech props vary with diameter; as-rolled or as-peeled hardness. Designation 46S20 Specification Type Standard Specification ISO 683-9 Specification Year 1988 Specification Status Active Specification Status Notes active 1988 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