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 452~413 σb/MPa
Yield Strength 421 σ 0.2 ≥/MPa
Elongation 16 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 211~159 -
HRC 30 -

Physical Properties

Thermal expansion 46-40 e-6/K
Thermal conductivity 99-18 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 1326-7114 째C
Density 8963-3178 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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