G20Cr2Ni4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of G20Cr2Ni4

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GBT G20Cr2Ni4

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This page is mainly introduced the G20Cr2Ni4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of G20Cr2Ni4,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
G20Cr2Ni4
  • Steel Garde:G20Cr2Ni4
  • Type:Special Alloy
  • Country:China
  • Standard:GBT
  • Application:China structural steel and alloy steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 868~552 σb/MPa
Yield Strength 768 σ 0.2 ≥/MPa
Elongation 39 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 228~945 -
HRC 30 -

Physical Properties

Thermal expansion 22-15 e-6/K
Thermal conductivity 54-98 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 4057-3428 째C
Density 7048-0434 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)
G20Cr2Ni4 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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