45CrNi chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 45CrNi

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GBT 45CrNi

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This page is mainly introduced the 45CrNi chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 45CrNi,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
45CrNi
  • Steel Garde:45CrNi
  • Type:Special Alloy
  • Country:China
  • Standard:GBT
  • Application:China structural steel and alloy steel

Cross Reference Table(Equivalent Materials):

Material Standard Country
X45CrNiW18-9
45CrNiMoVA GBT China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 521~744 σb/MPa
Yield Strength 228 σ 0.2 ≥/MPa
Elongation 03 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 457~005 -
HRC 30 -

Physical Properties

Thermal expansion 36-28 e-6/K
Thermal conductivity 71-27 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2865-1247 째C
Density 1720-5884 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)
45CrNi 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