20MnCrSi11S chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 20MnCrSi11S

STAS/SR 20MnCrSi11S

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This page is mainly introduced the 20MnCrSi11S chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 20MnCrSi11S,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
20MnCrSi11S
  • Steel Garde:20MnCrSi11S
  • Type:Special Alloy
  • Country:Romania
  • Standard:STAS/SR
  • Application:Alloy structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 372~817 σb/MPa
Yield Strength 452 σ 0.2 ≥/MPa
Elongation 42 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 272~040 -
HRC 30 -

Physical Properties

Thermal expansion 54-75 e-6/K
Thermal conductivity 71-11 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 5379-9420 째C
Density 5793-7868 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)
20MnCrSi11S 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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