20Cr2Ni4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 20Cr2Ni4

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GBT 20Cr2Ni4

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This page is mainly introduced the 20Cr2Ni4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 20Cr2Ni4,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
20Cr2Ni4
  • Steel Garde:20Cr2Ni4
  • Type:Special Alloy
  • Country:China
  • Standard:GBT
  • Application:China structural steel and alloy steel

Cross Reference Table(Equivalent Materials):

Material Standard Country
G20Cr2Ni4 GBT China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 101~222 σb/MPa
Yield Strength 764 σ 0.2 ≥/MPa
Elongation 20 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 103~240 -
HRC 30 -

Physical Properties

Thermal expansion 59-09 e-6/K
Thermal conductivity 87-27 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 3328-3531 째C
Density 6527-6150 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)
20Cr2Ni4 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