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

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GBT 20MnVB

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

Cross Reference Table(Equivalent Materials):

Material Standard Country
20MnVBH GBT China
ML20MnVB GBT China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 196~528 σb/MPa
Yield Strength 925 σ 0.2 ≥/MPa
Elongation 76 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 658~190 -
HRC 30 -

Physical Properties

Thermal expansion 62-85 e-6/K
Thermal conductivity 95-66 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 7835-7600 째C
Density 4355-1579 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)
20MnVB 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