Chemical Composition Base Element Fe (Iron) C (Carbon) 0.09 to 0.15 % Cr (Chromium) 11.5 to 14 % Fe (Iron) 82.8 to 88.4 % (estimate) Mn (Manganese) 1 % (maximum) Ni (Nickel) 1 % (maximum) P (Phosphorus) 0.04 % (maximum) S (Sulfur) 0.03 % (maximum) Si (Silicon) 1 % (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 420 MPa (minimum) Ultimate Tensile Strength 590 to 780 MPa Elongation 16 % strain (minimum) Rockwell Hardness B scale 175 to 235 Notes on Mechanical Properties 50 mm gauge Other Information Material Class Ferrous Alloy Alloy Family High-Alloy Steel (Corrosion and Heat Resistant, Stainless, and Nickel Steels) Alloy Group Martensitic stainless steel Alloy Sub-Group 410/ 416 Country India Standards Body BIS (India) Description Creep resistant; bars, forgings, <=160 mm; plates, >0.5 mm <=25 mm; QT Designation 12Cr13H Specification Type Standard Specification IS 1570/7 Specification Year 2004 Specification Status Active Specification Status Notes active 2004 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