Range attributes C (Carbon) 0.52 to 0.59 % Cr (Chromium) 0.6 to 0.9 % Fe (Iron) 96.9 to 98 % (estimate) Mn (Manganese) 0.7 to 1 % Mo (Molybdenum) 0.15 % (maximum) 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 5150/ 5155 Available forms Wrought Base Element Fe (Iron) Country Spain 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 AENOR (Spain) 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* Spain Description_old Spring Designation 55Cr3 Specification UNE 36015 Specification Status Notes cancelled 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 Spring Hyperlink attributes Similar Alloys Click here to find similar alloys Integer attributes Specification Year 1977 Further Information Organizations Asociacion Espanola de Normalizacion y Certificacion (AENOR) (Spanish Association for Standardization and Certification) (UNE)
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Range attributes

C (Carbon)

0.52 to 0.59