20MnCrSi11 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 20MnCrSi11

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STAS/SR 20MnCrSi11

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This page is mainly introduced the 20MnCrSi11 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 20MnCrSi11,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
20MnCrSi11
  • Steel Garde:20MnCrSi11
  • Type:Special Alloy
  • Country:Romania
  • Standard:STAS/SR
  • Application:Alloy structural steel

Cross Reference Table(Equivalent Materials):

Material Standard Country
20MnCrSi11S STAS/SR Romania
20MnCrSi11X STAS/SR Romania
20MnCrSi11XS STAS/SR Romania

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 511~873 σb/MPa
Yield Strength 672 σ 0.2 ≥/MPa
Elongation 13 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 297~894 -
HRC 30 -

Physical Properties

Thermal expansion 38-77 e-6/K
Thermal conductivity 13-67 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 9216-7260 째C
Density 6821-3716 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)
20MnCrSi11 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