Chemical Composition Base Element Fe (Iron) C (Carbon) 0.18 to 0.23 % Cr (Chromium) 0.4 to 0.6 % Fe (Iron) 97.8 to 98.4 % (estimate) Mn (Manganese) 0.7 to 0.9 % Mo (Molybdenum) 0.08 to 0.15 % P (Phosphorus) 0.02 % S (Sulfur) 0.03 % Si (Silicon) 0.15 to 0.3 % 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 Alloy Steel Alloy Group Chromium molybdenum steel Alloy Sub-Group 4118/ 4120/ 4121 Country USA Standards Body ASTM (USA) Description Hot and CR drawing alloy-steel sheet and strip. Designation G41180 Specification Type Standard Specification ASTM A507 Specification Year 2004 Specification Status Active Specification Status Notes active 2004 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 American Society for Testing and Materials (ASTM)
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Chemical Composition