Chemical Composition Base Element Fe (Iron) C (Carbon) 0.2 to 0.29 % Cr (Chromium) 0.3 % (maximum) Cu (Copper) 0.3 % (maximum) Fe (Iron) 96.5 to 98.3 % (estimate) Mn (Manganese) 1.3 to 1.8 % Ni (Nickel) 0.3 % (maximum) P (Phosphorus) 0.045 % (maximum) S (Sulfur) 0.045 % (maximum) Si (Silicon) 0.17 to 0.37 % 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 1.23e7 lbf/ft^2 (minimum) Ultimate Tensile Strength 1.64e7 lbf/ft^2 (minimum) Elongation 9 % strain (minimum) Other Information Material Class Ferrous Alloy Alloy Family Carbon Steel Alloy Group Low-carbon steel and HSLA steel Alloy Sub-Group 1524/1524H Country China Standards Body SAC (China) Description Plate; heat-treated Designation M540 Specification Type Standard Specification GB/T 3414 Specification Year 1994 Specification Status Active Specification Status Notes Active in 2005 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 China State Bureau of Quality and Technical Supervision (CSBTS) (GB/JB/YB)
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Chemical Composition