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

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STAS/SR 25MnCrSiil

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

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 764~077 σb/MPa
Yield Strength 688 σ 0.2 ≥/MPa
Elongation 25 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 634~243 -
HRC 30 -

Physical Properties

Thermal expansion 54-80 e-6/K
Thermal conductivity 25-76 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 7321-2694 째C
Density 8520-0028 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)
25MnCrSiil 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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