Chemical Composition Base Element Fe (Iron) C (Carbon) 0.85 to 0.94 % Cr (Chromium) 0.25 % (maximum) Fe (Iron) 97.7 to 98.9 % (estimate) Mn (Manganese) 0.15 to 0.35 % Mo (Molybdenum) 0.15 % (maximum) Ni (Nickel) 0.25 % (maximum) P (Phosphorus) 0.025 % (maximum) S (Sulfur) 0.02 % (maximum) Si (Silicon) 0.15 to 0.35 % 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. Other Information Material Class Ferrous Alloy Alloy Family Tool Steel Alloy Group Cold-work tool steel Alloy Sub-Group Miscellaneous cold-work steel Country Spain Standards Body AENOR (Spain) Description Carbon Designation C90U Specification Type Standard Specification UNE 36018/2 Specification Year 1994 Specification Status Obsolete Specification Status Notes cancelled 2000 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 Asociacion Espanola de Normalizacion y Certificacion (AENOR) (Spanish Association for Standardization and Certification) (UNE)
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Chemical Composition