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35CrMo Steel Chemical Composition, Mechanical Properties, Equivalent

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35CrMo Steel

35CrMo steel is a Chinese alloy steel for engineering purpose, it has high durability and creep strength at high temperature, and low temperature impact toughness is good. The working temperature is up to 500 °C, the low temperature can be -100 °C, and has high static strength and high fatigue strength, good hardenability, no tendency to overheat, small quenching deformation, and moderate machinability. However, this material has a first type of temper brittleness, and the weldability is not good. It needs to be preheated to 150-400 ° C before welding, and heat treatment is needed after welding to eliminate stress. Generally used after quenching and tempering treatment.

Applications of 35CrMo Alloy Steel

35CrMo alloy steel can be used to manufacture major parts in various machines that withstand impact, bending and high loads, such as rolling mill gears, crankshafts, connecting rods, fasteners, automotive engine spindles, axles, engine transmission parts, large motor shafts, bolts for boilers with operating temperatures below 400 °C, nuts below 510 °C, high pressure seamless thick-walled conduits for chemical machinery (450-500 ° C, non-corrosive media).


35CrMo Steel Chemical Composition

Chemical Composition (%)
Steel GradeCSiMnPSCrMoCu
35CrMo0.32 to 0.400.17 to 0.370.40 to 0.70≤ 0.030≤ 0.0300.80 to 1.100.15 to 0.25≤ 0.30

35CrMo Alloy Steel Mechanical Properties

  • Yield strength: ≥ 835 MPa
  • Tensile strength: ≥ 980 MPa
  • Elongation: ≥12%
  • Rate of reduction in area: ≥45%
  • Impact absorbing energy: ≥ 63 J
  • Brinell Hardness: ≤ 229 (Annealed or high temperature tempered steel rod)
  • Sample size: 25mm

Heat treatment specification

  • First quenching heating temperature: 850 °C (Coolant – oil)
  • Tempering heating temperature: 600 °C (Coolant – water, oil)


35CrMo equivalent to US ASTM, European Germany DIN EN, British BS EN, France NF EN, Japanese JIS, and ISO standard.

35CrMo material equivalent
GB/T 307735CrMoASTM A29/A29M4135,
DIN EN 10083-334CrMo4JISG 4105SCM435NF EN 10083-334CrMo4BS EN 10083-334CrMo4ISO 68334CrMo4

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1 Comment
  1. Inam says

    Do you allow download and print the data of materials.

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