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 177~639 σb/MPa
Yield Strength 463 σ 0.2 ≥/MPa
Elongation 21 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 011~631 -
HRC 30 -

Physical Properties

Thermal expansion 08-04 e-6/K
Thermal conductivity 27-31 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2809-0401 째C
Density 7625-6387 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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