Range attributes C (Carbon) 0.17 to 0.23 % Fe (Iron) 98.7 to 99.2 % (estimate) Mn (Manganese) 0.6 to 1 % N (Nitrogen) 0.012 % (maximum) P (Phosphorus) 0.045 % (maximum) S (Sulfur) 0.045 % (maximum) Discrete attributes ~Checking Status Not verified - Original build Date Last Checked Thursday, October 17, 2013 Alloy Family Carbon Steel Alloy Group Low-carbon steel and HSLA steel Alloy Sub-Group 1021 Available forms Casting Base Element Fe (Iron) Country India 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 BIS (India) 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* India Description_old Carbon steel billets, blooms, slabs and cast billet ingots for re-rolling into structural steel Designation C20MMnB Specification IS 2830 Specification Status Notes active 1999 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 Carbon steel billets, blooms, slabs and cast billet ingots for re-rolling into structural steel Hyperlink attributes Similar Alloys Click here to find similar alloys Integer attributes Specification Year 1999 Further Information Organizations Bureau of Indian Standards (BIS)
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Range attributes

C (Carbon)

0.17 to 0.23