Range attributes C (Carbon) 0.18 to 0.23 % Fe (Iron) 94.6 to 95.7 % (estimate) Mn (Manganese) 0.5 to 0.7 % Mo (Molybdenum) 0.2 to 0.3 % Ni (Nickel) 3.25 to 3.75 % P (Phosphorus) 0.04 % (maximum) S (Sulfur) 0.04 % (maximum) Si (Silicon) 0.15 to 0.3 % Discrete attributes ~Checking Status Not verified - Original build Date Last Checked Thursday, October 17, 2013 Alloy Family Alloy Steel Alloy Group Nickel molybdenum steel Alloy Sub-Group 4820/4820H Available forms Wrought Base Element Fe (Iron) Country USA Material Class Ferrous Alloy Source Worldwide Guide to Equivalent Irons and Steels, 5th ed. ASM International 2006 Specification Status Active Specification Type Standard Standards Body ASTM (USA) Short text attributes Alternate Name 4820 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* USA Description_old HR, heavy thickness steel coils. Designation G48200 Specification ASTM A1031 Specification Status Notes active 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 HR, heavy thickness steel coils. Hyperlink attributes Similar Alloys Click here to find similar alloys Integer attributes Specification Year 2004 Further Information Organizations American Society for Testing and Materials (ASTM)
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Range attributes

C (Carbon)

0.18 to 0.23