55CrNiMoV 4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 55CrNiMoV 4

AFNOR 55CrNiMoV 4

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This page is mainly introduced the 55CrNiMoV 4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 55CrNiMoV 4,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
  • Steel Garde:55CrNiMoV 4
  • Type:Special Alloy
  • Country:France
  • Standard:AFNOR
  • Application:Carbide for cutting tools

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 128~737 σb/MPa
Yield Strength 894 σ 0.2 ≥/MPa
Elongation 44 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 444~833 -
HRC 30 -

Physical Properties

Thermal expansion 48-59 e-6/K
Thermal conductivity 99-34 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 9282-2931 째C
Density 5631-7226 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)
55CrNiMoV 4 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