Range attributes C (Carbon) 0.36 to 0.42 % Cr (Chromium) 12.5 to 14.5 % Fe (Iron) 83 to 87.1 % (estimate) Mn (Manganese) 1 % (maximum) P (Phosphorus) 0.04 % (maximum) S (Sulfur) 0.03 % (maximum) Si (Silicon) 1 % (maximum) Vickers Hardness 200 to 250 HV 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 Martensitic stainless steel Alloy Sub-Group 420 grades Available forms Wrought Base Element Fe (Iron) Country International 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 ISO (International) 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* International Description_old CR narrow strip martensitic stainless for the production of springs and spring parts; ann hardness. Designation X39Cr13 Specification ISO 6931-2 Specification Status Notes active 2005 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 CR narrow strip martensitic stainless for the production of springs and spring parts; ann hardness. Notes on Mechanical Properties 50 mm gauge Hyperlink attributes Similar Alloys Click here to find similar alloys Integer attributes Specification Year 2005 Further Information Organizations International Organization for Standardization (ISO)
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Range attributes

C (Carbon)

0.36 to 0.42