20CrNi3H chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 20CrNi3H

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GBT 20CrNi3H

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This page is mainly introduced the 20CrNi3H chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 20CrNi3H,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
20CrNi3H
  • Steel Garde:20CrNi3H
  • Type:Special Alloy
  • Country:China
  • Standard:GBT
  • Application:China structural steel and alloy steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 565~135 σb/MPa
Yield Strength 783 σ 0.2 ≥/MPa
Elongation 12 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 472~193 -
HRC 30 -

Physical Properties

Thermal expansion 99-99 e-6/K
Thermal conductivity 48-28 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 0382-7049 째C
Density 5892-2037 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)
20CrNi3H 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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