Range attributes C (Carbon) 0.38 to 0.45 % Cr (Chromium) 0.9 to 1.2 % Fe (Iron) 97.1 to 98.1 % (estimate) Mn (Manganese) 0.5 to 0.8 % P (Phosphorus) 0.035 % (maximum) S (Sulfur) 0.035 % (maximum) Si (Silicon) 0.15 to 0.4 % Discrete attributes ~Checking Status Not verified - Original build Date Last Checked Thursday, October 17, 2013 Alloy Family Alloy Steel Alloy Group Chromium steel Alloy Sub-Group 5140/5140H Available forms Wrought Base Element Fe (Iron) Country Italy Material Class Ferrous Alloy Source Worldwide Guide to Equivalent Irons and Steels, 5th ed. ASM International 2006 Specification Status Obsolete Specification Type Standard Standards Body UNI (Italy) 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* Italy Description_old Quenched and tempered Designation 41Cr4KB Specification UNI 7356 Specification Status Notes withdrawn 2003 Long text attributes Composition Note Fe is listed as a Base element for this material, but its % value is not listed in the specification.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 Quenched and tempered Hyperlink attributes Similar Alloys Click here to find similar alloys Integer attributes Specification Year 1974 Further Information Organizations Ente Nazionale Italiano di Unificazione (UNI) (Italian National Standardization Office)
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Range attributes

C (Carbon)

0.38 to 0.45