125CrSi5 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 125CrSi5

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EN 125CrSi5

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This page is mainly introduced the 125CrSi5 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 125CrSi5,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Alloyed SiCr steel

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 1.20  1.30
Si 1.05  1.25
Mn 0.60  0.80
P   0.035
S   0.035
Cr 1.10  1.30
Mo  
V  

Mechanical Properties

Tensile strength 141~116 σb/MPa
Yield Strength 539 σ 0.2 ≥/MPa
Elongation 13 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 656~670 -
HRC 30 -

Physical Properties

Thermal expansion 77-83 e-6/K
Thermal conductivity 53-23 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2304-9394 째C
Density 4428-3423 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)
125CrSi5 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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