Range attributes C (Carbon) 0.45 % (maximum) Cr (Chromium) 0.7 to 1.25 % Elongation 20 % strain (minimum) Fe (Iron) 96.9 to 98.4 % (estimate) Mn (Manganese) 0.6 to 1 % Mo (Molybdenum) 0.15 % (minimum) P (Phosphorus) 0.025 % (maximum) S (Sulfur) 0.02 % (maximum) Si (Silicon) 0.15 to 0.35 % Ultimate Tensile Strength 620 MPa (minimum) Yield Strength 450 MPa (minimum) Discrete attributes ~Checking Status Not verified - Original build Date Last Checked Thursday, October 17, 2013 Alloy Family Alloy Steel Alloy Group Chromium molybdenum steel Alloy Sub-Group 4145/ 4147 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 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 Carbon steel forgings for magnetic retaining rings for turbine generators; QT Designation Class 2 Specification ASTM A288-91 Specification Status Notes active 2003 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 Carbon steel forgings for magnetic retaining rings for turbine generators; QT Hyperlink attributes Similar Alloys Click here to find similar alloys Integer attributes Specification Year 2003 Further Information Organizations American Society for Testing and Materials (ASTM)
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Range attributes

C (Carbon)

0.45

% (maximum)