12Cr2Mo chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 12Cr2Mo

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GBT 12Cr2Mo

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This page is mainly introduced the 12Cr2Mo chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 12Cr2Mo,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
12Cr2Mo
  • Steel Garde:12Cr2Mo
  • Type:Special Alloy
  • Country:China
  • Standard:GBT
  • Application:China structural steel and alloy steel

Cross Reference Table(Equivalent Materials):

Material Standard Country
12Cr2MoG GBT China
12Cr2MoWVTiB GBT China
12Cr2MoWVTiB GBT China
12Cr2MoWVTiB GBT China
12Cr2MoWVTiB GBT China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 205~759 σb/MPa
Yield Strength 027 σ 0.2 ≥/MPa
Elongation 03 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 388~583 -
HRC 30 -

Physical Properties

Thermal expansion 85-80 e-6/K
Thermal conductivity 42-46 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 3857-7481 째C
Density 7419-3946 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)
12Cr2Mo 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