Chemical Composition Base Element Fe (Iron) C (Carbon) 0.15 % Fe (Iron) 97.8 to 98.4 % (estimate) Mn (Manganese) 1 to 1.5 % P (Phosphorus) 0.11 % S (Sulfur) 0.3 to 0.4 % Si (Silicon) 0.05 % 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 Carbon Steel Alloy Group Low-carbon steel and HSLA steel Alloy Sub-Group 1213 Country Spain Standards Body AENOR (Spain) Description Free-cutting Designation 12SMn35 Specification Type Standard Specification UNE 36021 Specification Year 1961 Specification Status Obsolete Specification Status Notes cancelled 1980 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