Chemical Composition Base Element Fe (Iron) C (Carbon) 0.3 % (maximum) Fe (Iron) 97.9 to 99.6 % (estimate) Mn (Manganese) 0.4 to 1.35 % P (Phosphorus) 0.03 % (maximum) S (Sulfur) 0.03 % (maximum) Si (Silicon) 0.35 % (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 4.3e6 lbf/ft^2 (minimum) Ultimate Tensile Strength 8.6e6 to 1.15e7 lbf/ft^2 Elongation 21 % strain (minimum) Other Information Material Class Ferrous Alloy Alloy Family Carbon Steel Alloy Group Medium-carbon steel Alloy Sub-Group 1132 Country India Standards Body BIS (India) Description C-Mn steel forgings for pressure vessels and components where weldability is important Designation Grade I Specification Type Standard Specification IS 12146 Specification Year 2001 Specification Status Active Specification Status Notes active 2001 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 Bureau of Indian Standards (BIS)
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Chemical Composition