20CrMnMoH chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 20CrMnMoH

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GBT 20CrMnMoH

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This page is mainly introduced the 20CrMnMoH chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 20CrMnMoH,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
20CrMnMoH
  • Steel Garde:20CrMnMoH
  • Type:Special Alloy
  • Country:China
  • Standard:GBT
  • Application:China structural steel and alloy steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 123~286 σb/MPa
Yield Strength 119 σ 0.2 ≥/MPa
Elongation 38 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 726~444 -
HRC 30 -

Physical Properties

Thermal expansion 37-12 e-6/K
Thermal conductivity 08-63 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 9266-6747 째C
Density 8484-9055 kg/m3
Resistivity 0.50-0.60 Ohm.mm2/m
     

Heat Treatment Regime

Annealing

Quenching

Tempering

Normalizing

Q & T

Size Availability

Steel Grade Specification Processing range(mm)
20CrMnMoH Special Alloy Round Bar and Hollow Bar Φ1 to Φ2000
Square and Flat Steel Φ10 to Φ100
Plate and Sheet 0.08-800(Thickness)*10-1500(Width)*Length
Tube or Pipe OD:Φ4-410; WT:1-35 mm; Lenght:10-12000
Coil and Strip Steel THK:0.1mm Width:1500mm
Forged Ring/Cylindrical/Disk

Technical specification/standard for download

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