Range attributes Brinell Hardness 321 (minimum) C (Carbon) 0.5 to 0.6 % Cr (Chromium) 20 to 22 % Fe (Iron) 64.1 to 71 % (estimate) Mn (Manganese) 7 to 9.5 % Ni (Nickel) 1.5 to 2.75 % P (Phosphorus) 0.045 % (maximum) S (Sulfur) 0.035 % (maximum) Si (Silicon) 1 % (maximum) Discrete attributes ~Checking Status Not verified - Original build Date Last Checked Thursday, October 17, 2013 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 Available forms Wrought 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 Valve steel; hardened and tempered Designation X55Cr21Mn8Ni2N Specification IS 1570/5 Specification Status Notes active 2004 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 Valve steel; hardened and tempered Notes on Mechanical Properties 50 mm gauge Hyperlink attributes Similar Alloys Click here to find similar alloys Integer attributes Specification Year 2004 Further Information Organizations Bureau of Indian Standards (BIS)
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Range attributes

Brinell Hardness

321

(minimum)