Chemical Composition Base Element Fe (Iron) C (Carbon) 0.36 to 0.45 % Cr (Chromium) 12 to 14 % Fe (Iron) 82.5 to 87.6 % (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 Vickers Hardness 515 HV (minimum) Rockwell Hardness C scale 50 (minimum) 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 420 grades Country India Standards Body BIS (India) Description Martensitic stainless cutlery bars and flats; QT Designation X40Cr13 Specification Type Standard Specification IS 6603 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