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

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GBT 20MnMoBH

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

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 441~974 σb/MPa
Yield Strength 662 σ 0.2 ≥/MPa
Elongation 65 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 062~405 -
HRC 30 -

Physical Properties

Thermal expansion 68-53 e-6/K
Thermal conductivity 66-59 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 0716-1097 째C
Density 5687-0677 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)
20MnMoBH 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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