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

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GBT 20CrNi

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

Cross Reference Table(Equivalent Materials):

Material Standard Country
T20CrNi370 STAS/SR Romania
X20CrNi17-2 UNE Spain
20CrNi3 GBT China
20CrNiMo GBT China
20CrNi3H GBT China
20CrNiMoH GBT China
G20CrNiMo GBT China
G20CrNi2Mo GBT China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 755~731 σb/MPa
Yield Strength 428 σ 0.2 ≥/MPa
Elongation 01 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 299~181 -
HRC 30 -

Physical Properties

Thermal expansion 25-18 e-6/K
Thermal conductivity 92-99 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 8580-2370 째C
Density 4152-8261 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)
20CrNi 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