Chemical Composition Base Element Fe (Iron) B (Boron) 0.0003 % (maximum) C (Carbon) 0.4 to 0.5 % Cr (Chromium) 8.5 to 9.5 % Cu (Copper) 0.35 % (maximum) Fe (Iron) 85.3 to 88.1 % (estimate) Mn (Manganese) 0.3 to 0.6 % Mo (Molybdenum) 0.05 % (maximum) Ni (Nickel) 0.25 % (maximum) P (Phosphorus) 0.035 % (maximum) S (Sulfur) 0.035 % (maximum) Si (Silicon) 2.75 to 3.25 % Sn (Tin) 0.05 % (maximum) V (Vanadium) 0.05 % (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 Brinell Hardness 250 (minimum) 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 Miscellaneous or unclassified Alloy Sub-Group Miscellaneous high-alloy steel Country India Standards Body BIS (India) Description Wrought bars, flats, forgings, plates, rods; as rolled Designation 45CrSi9R Specification Type Standard Specification IS 5517 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

Base Element

Fe (Iron)