Chemical Composition Base Element Fe (Iron) C (Carbon) 0.17 to 0.23 % Fe (Iron) 98.7 to 99.4 % (estimate) Mn (Manganese) 0.3 to 0.6 % P (Phosphorus) 0.035 % (maximum) S (Sulfur) 0.035 % (maximum) Si (Silicon) 0.1 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 4.39e6 lbf/ft^2 (minimum) Ultimate Tensile Strength 8.35e6 lbf/ft^2 (minimum) Elongation 5 % strain (minimum) Brinell Hardness 156 (minimum) Other Information Material Class Ferrous Alloy Alloy Family Carbon Steel Alloy Group Low-carbon steel and HSLA steel Alloy Sub-Group 1020 Country International Standards Body ISO (International) Description Wrought unalloyed direct-hardening steels for mechanical purposes; CD, mech props vary with thickness and treatment Designation C20E4 Specification Type Standard Specification ISO 683-18 Specification Year 1996 Specification Status Active Specification Status Notes active 1996 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