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 616~752 σb/MPa
Yield Strength 950 σ 0.2 ≥/MPa
Elongation 43 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 365~782 -
HRC 30 -

Physical Properties

Thermal expansion 72-17 e-6/K
Thermal conductivity 29-48 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 9492-9753 째C
Density 2464-5482 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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