G20CrNiMo chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of G20CrNiMo

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GBT G20CrNiMo

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This page is mainly introduced the G20CrNiMo chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of G20CrNiMo,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
G20CrNiMo
  • Steel Garde:G20CrNiMo
  • Type:Special Alloy
  • Country:China
  • Standard:GBT
  • Application:China structural steel and alloy steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 671~587 σb/MPa
Yield Strength 787 σ 0.2 ≥/MPa
Elongation 95 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 687~623 -
HRC 30 -

Physical Properties

Thermal expansion 91-58 e-6/K
Thermal conductivity 55-92 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 8086-6055 째C
Density 7083-0479 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)
G20CrNiMo 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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