Range attributes Brinell Hardness 229 (maximum) C (Carbon) 0.52 to 0.6 % Elongation 11 % strain (minimum) Fe (Iron) 98 to 98.8 % (estimate) Mn (Manganese) 0.6 to 0.9 % P (Phosphorus) 0.035 % (maximum) S (Sulfur) 0.02 to 0.04 % Si (Silicon) 0.1 to 0.4 % Ultimate Tensile Strength 620 MPa (minimum) Yield Strength 300 MPa (minimum) Discrete attributes ~Checking Status Not verified - Original build Date Last Checked Thursday, October 17, 2013 Alloy Family Carbon Steel Alloy Group Medium-carbon steel Alloy Sub-Group 1055 Available forms Wrought Base Element Fe (Iron) Country International Material Class Ferrous Alloy Source Worldwide Guide to Equivalent Irons and Steels, 5th ed. ASM International 2006 Specification Status Active Specification Type Standard Standards Body ISO (International) Short text attributes Composition Note_old 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. Country* International Description_old Direct-hardened wrought steel for black product machine parts; norm, mech props vary with diameter; ann to max hardness Designation C55M2 Specification ISO 683-1 Specification Status Notes active 1987 Long text attributes 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. Description Direct-hardened wrought steel for black product machine parts; norm, mech props vary with diameter; ann to max hardness Hyperlink attributes Similar Alloys Click here to find similar alloys Integer attributes Specification Year 1987 Further Information Organizations International Organization for Standardization (ISO)
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Range attributes

Brinell Hardness

229

(maximum)