Chemical Composition Base Element Fe (Iron) C (Carbon) 0.14 to 0.2 % Fe (Iron) 97.5 to 98.4 % (estimate) Mn (Manganese) 1.2 to 1.6 % 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 Ultimate Tensile Strength 9.82e6 to 1.73e7 lbf/ft^2 Elongation 6 % strain (minimum) Brinell Hardness 179 (maximum) Other Information Material Class Ferrous Alloy Alloy Family Carbon Steel Alloy Group Low-carbon steel and HSLA steel Alloy Sub-Group 1116 Country International Standards Body ISO (International) Description Wrought free-cutting case-hardening steels; CD, mech props vary with diameter; as-rolled or as-peeled hardness. Alternate Name formerly Type 6 Designation 17SMn20 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