12Cr2Ni4H chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 12Cr2Ni4H

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GBT 12Cr2Ni4H

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This page is mainly introduced the 12Cr2Ni4H chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 12Cr2Ni4H,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
12Cr2Ni4H
  • Steel Garde:12Cr2Ni4H
  • Type:Special Alloy
  • Country:China
  • Standard:GBT
  • Application:China structural steel and alloy steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 905~397 σb/MPa
Yield Strength 224 σ 0.2 ≥/MPa
Elongation 19 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 554~935 -
HRC 30 -

Physical Properties

Thermal expansion 31-85 e-6/K
Thermal conductivity 21-53 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 3888-7537 째C
Density 2670-5825 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)
12Cr2Ni4H 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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