GCr18Mo chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of GCr18Mo

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GBT GCr18Mo

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This page is mainly introduced the GCr18Mo chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of GCr18Mo,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
GCr18Mo
  • Steel Garde:GCr18Mo
  • Type:Special Alloy
  • Country:China
  • Standard:GBT
  • Application:China structural steel and alloy steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 522~187 σb/MPa
Yield Strength 984 σ 0.2 ≥/MPa
Elongation 07 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 088~219 -
HRC 30 -

Physical Properties

Thermal expansion 46-93 e-6/K
Thermal conductivity 38-67 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 6782-8180 째C
Density 0914-2657 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)
GCr18Mo 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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