ML20MnTiB chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ML20MnTiB

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GBT ML20MnTiB

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This page is mainly introduced the ML20MnTiB chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ML20MnTiB,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
ML20MnTiB
  • Steel Garde:ML20MnTiB
  • Type:Special Alloy
  • Country:China
  • Standard:GBT
  • Application:China structural steel and alloy steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 664~416 σb/MPa
Yield Strength 789 σ 0.2 ≥/MPa
Elongation 68 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 602~722 -
HRC 30 -

Physical Properties

Thermal expansion 60-77 e-6/K
Thermal conductivity 03-67 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 9537-3144 째C
Density 2643-1771 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)
ML20MnTiB 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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