Chemical Composition Base Element Fe (Iron) C (Carbon) 0.27 to 0.34 % Cr (Chromium) 0.4 % (maximum) Fe (Iron) 97.5 to 99.2 % (estimate) Mn (Manganese) 0.5 to 0.8 % Mo (Molybdenum) 0.1 % (maximum) Ni (Nickel) 0.4 % (maximum) P (Phosphorus) 0.045 % (maximum) S (Sulfur) 0.045 % (maximum) Si (Silicon) 0.4 % (maximum) 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 300 MPa (minimum) Ultimate Tensile Strength 500 to 750 MPa Elongation 18 % strain (minimum) Other Information Material Class Ferrous Alloy Alloy Family Carbon Steel Alloy Group Medium-carbon steel Alloy Sub-Group 1030 Country United Kingdom Standards Body BSI (United Kingdom) Description Unalloyed quality steel, semi-finished products, hot formed; QT condition, mech props vary with size. Alternate Name 1.0528 Designation C30 Specification Type Standard Specification BS EN 10083-2 Specification Year 1991 Specification Status Active Specification Status Notes active 1991 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 British Standards Institution (BSI)
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Chemical Composition