140Cr2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 140Cr2

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EN 140Cr2

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This page is mainly introduced the 140Cr2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 140Cr2,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Low alloyed Cr steel

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 1.35  1.50
Si 0.15  0.30
Mn 0.25  0.40
P   0.035
S   0.035
Cr 0.40  0.70
Mo  
V  

Mechanical Properties

Tensile strength 487~756 σb/MPa
Yield Strength 987 σ 0.2 ≥/MPa
Elongation 55 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 530~401 -
HRC 30 -

Physical Properties

Thermal expansion 91-38 e-6/K
Thermal conductivity 00-99 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2881-2835 째C
Density 8266-1591 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)
140Cr2 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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