20Mn10 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 20Mn10

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STAS/SR 20Mn10

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This page is mainly introduced the 20Mn10 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 20Mn10,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
20Mn10
  • Steel Garde:20Mn10
  • Type:Special Alloy
  • Country:Romania
  • Standard:STAS/SR
  • Application:Structural steel

Cross Reference Table(Equivalent Materials):

Material Standard Country
22Cr20Mn10Ni2Si2N GBT China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 790~031 σb/MPa
Yield Strength 471 σ 0.2 ≥/MPa
Elongation 69 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 077~715 -
HRC 30 -

Physical Properties

Thermal expansion 55-99 e-6/K
Thermal conductivity 51-57 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 9844-1868 째C
Density 0799-6151 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)
20Mn10 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