55NiCrMoV6 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 55NiCrMoV6

DIN 55NiCrMoV6

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This page is mainly introduced the 55NiCrMoV6 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 55NiCrMoV6,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Low alloyed NiCrMo steel

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.50  0.60
Si 0.10  0.40
Mn 0.65  0.95
P   0.030
S   0.030
Cr 0.60  0.80
Mo 0.25  0.35
V 0.07  0.12
Ni 1.50  1.80

Mechanical Properties

Tensile strength 593~997 σb/MPa
Yield Strength 447 σ 0.2 ≥/MPa
Elongation 77 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 810~455 -
HRC 30 -

Physical Properties

Thermal expansion 25-68 e-6/K
Thermal conductivity 64-81 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 8069-9204 째C
Density 5820-8032 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)
55NiCrMoV6 Tool Die Steels 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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