EN 20MnB5 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of EN 20MnB5

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EN EN 20MnB5

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This page is mainly introduced the EN 20MnB5 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of EN 20MnB5,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Euronorm Structural steel, EN 20MnB5
  • Steel Garde:EN 20MnB5
  • Type:Special Alloy
  • Country:Euronorm
  • Standard:EN
  • Application:Euronorm Structural steel

Cross Reference Table(Equivalent Materials):

Material Standard Country
20MnB5q STAS/SR Romania
20MnB5 UNE Spain

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 824~835 σb/MPa
Yield Strength 095 σ 0.2 ≥/MPa
Elongation 02 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 554~065 -
HRC 30 -

Physical Properties

Thermal expansion 29-30 e-6/K
Thermal conductivity 34-92 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 1941-3922 째C
Density 2194-0826 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)
EN 20MnB5 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