Range attributes Brinell Hardness 311 to 352 C (Carbon) 0.2 to 0.53 % Cr (Chromium) 0.45 % (minimum) Cu (Copper) 0.2 to 0.6 % Elongation 14 % strain (minimum) Fe (Iron) 98.4 to 98.8 % (estimate) Mn (Manganese) 0.4 % (minimum) Mo (Molybdenum) 0.15 % (minimum) Ni (Nickel) 0.2 % (minimum) P (Phosphorus) 0.035 % (maximum) S (Sulfur) 0.04 % (maximum) Ultimate Tensile Strength 151 to 175 ksi Yield Strength 136 ksi (minimum) Discrete attributes ~Checking Status Not verified - Original build Date Last Checked Thursday, October 17, 2013 Alloy Family Alloy Steel Alloy Group Nickel chromium molybdenum steel Alloy Sub-Group Miscellaneous nickel chromium molybdenum 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 Obsolete 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 QT weathering alloy steel, heavy hex structural bolts, sizes<=M20; tensile requirements for machined specimens. Designation Type 3 Specification ASTM A490/A490M 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 QT weathering alloy steel, heavy hex structural bolts, sizes<=M20; tensile requirements for machined specimens. 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)
No warranty is given for the accuracy of these data Copyright © 2024 ASM International®

Range attributes

Brinell Hardness

311 to 352