Range attributes C (Carbon) 0.17 to 0.25 % Cr (Chromium) 1.2 to 1.5 % Elongation 16 % strain (minimum) Fe (Iron) 95.2 to 97.3 % (estimate) Mn (Manganese) 0.4 to 0.8 % Mo (Molybdenum) 0.65 to 0.8 % Ni (Nickel) 0.6 % (maximum) P (Phosphorus) 0.03 % (maximum) Rockwell Hardness B scale 205 to 250 S (Sulfur) 0.03 % (maximum) Si (Silicon) 0.4 % (maximum) Ultimate Tensile Strength 700 to 850 MPa V (Vanadium) 0.25 to 0.35 % Yield Strength 550 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 Chromium molybdenum vanadium steel Available forms Wrought Base Element Fe (Iron) Country India 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 BIS (India) 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* India Description_old Creep resistant; bars, forgings; <=250 mm; QT Designation 21CrMoVH Specification IS 1570/7 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 Creep resistant; bars, forgings; <=250 mm; QT Hyperlink attributes Similar Alloys Click here to find similar alloys Integer attributes Specification Year 2004 Further Information Organizations Bureau of Indian Standards (BIS)
No warranty is given for the accuracy of these data Copyright © 2024 ASM International®

Range attributes

C (Carbon)

0.17 to 0.25