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

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GBT 20MnTiBH

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

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 328~149 σb/MPa
Yield Strength 017 σ 0.2 ≥/MPa
Elongation 35 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 513~036 -
HRC 30 -

Physical Properties

Thermal expansion 59-27 e-6/K
Thermal conductivity 88-66 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2578-7944 째C
Density 0213-5552 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)
20MnTiBH 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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