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

Location » Home » Grades > Special Alloy > 20CrNi3H

GBT 20CrNi3H

Profile

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 561~714 σb/MPa
Yield Strength 945 σ 0.2 ≥/MPa
Elongation 93 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 750~245 -
HRC 30 -

Physical Properties

Thermal expansion 38-80 e-6/K
Thermal conductivity 34-43 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 8291-2830 째C
Density 9332-8597 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

Hot keywords:20CrNi3H
Previous: 20CrMnTiH
Next: 12Cr2Ni4H