25-20Л chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 25-20Л

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ГОСТ 25-20Л

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This page is mainly introduced the 25-20Л chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 25-20Л,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
25-20Л
  • Steel Garde:25-20Л
  • Type:Special Alloy
  • Country:Russia
  • Standard:ГОСТ
  • Application:High temperature alloy castings

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 015~859 σb/MPa
Yield Strength 264 σ 0.2 ≥/MPa
Elongation 57 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 645~743 -
HRC 30 -

Physical Properties

Thermal expansion 90-48 e-6/K
Thermal conductivity 13-49 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 5296-1992 째C
Density 0134-7155 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)
25-20Л 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

Hot keywords:25-20Л
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