Range attributes C (Carbon) 0.15 to 0.25 % Cr (Chromium) 0.5 to 1 % Cu (Copper) 0.3 to 0.5 % Elongation 9 % strain (minimum) Fe (Iron) 95.5 to 97.9 % (estimate) Mn (Manganese) 0.4 to 1.2 % Mo (Molybdenum) 0.1 % (maximum) Ni (Nickel) 0.5 to 0.8 % P (Phosphorus) 0.04 % (maximum) Rockwell Hardness C scale 33 to 39 S (Sulfur) 0.05 % (maximum) Si (Silicon) 0.25 to 0.5 % Ti (Titanium) 0.05 % (maximum) Ultimate Tensile Strength 1040 MPa (minimum) Yield Strength 940 MPa (minimum) Discrete attributes ~Checking Status Not verified - Original build Date Last Checked Thursday, October 17, 2013 Alloy Family Alloy Steel Alloy Group Miscellaneous or unclassified Alloy Sub-Group Miscellaneous alloy steel 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 Atmospheric corrosion resistant fasteners in thread diameters M16-M36 for general engineering; QT Designation Class 10.9.3 Type D Specification ASTM F568M 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 Atmospheric corrosion resistant fasteners in thread diameters M16-M36 for general engineering; QT 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)

0.15 to 0.25