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

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UNE 20MnB5

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

Cross Reference Table(Equivalent Materials):

Material Standard Country
20MnB5q STAS/SR Romania
EN 20MnB5 EN Euronorm

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 768~706 σb/MPa
Yield Strength 863 σ 0.2 ≥/MPa
Elongation 12 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 101~562 -
HRC 30 -

Physical Properties

Thermal expansion 21-34 e-6/K
Thermal conductivity 20-09 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 3117-9496 째C
Density 2820-9714 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)
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