25CrMnSi chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 25CrMnSi

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GBT 25CrMnSi

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This page is mainly introduced the 25CrMnSi chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 25CrMnSi,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
25CrMnSi
  • Steel Garde:25CrMnSi
  • Type:Special Alloy
  • Country:China
  • Standard:GBT
  • Application:China structural steel and alloy steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 038~944 σb/MPa
Yield Strength 303 σ 0.2 ≥/MPa
Elongation 99 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 721~284 -
HRC 30 -

Physical Properties

Thermal expansion 76-74 e-6/K
Thermal conductivity 38-39 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 7309-6364 째C
Density 6634-1271 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)
25CrMnSi Special Alloy 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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