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 621~623 σb/MPa
Yield Strength 751 σ 0.2 ≥/MPa
Elongation 75 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 904~678 -
HRC 30 -

Physical Properties

Thermal expansion 13-35 e-6/K
Thermal conductivity 02-73 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 4333-3142 째C
Density 1725-1219 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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