18CrNiMnMoA chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 18CrNiMnMoA

GBT 18CrNiMnMoA

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This page is mainly introduced the 18CrNiMnMoA chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 18CrNiMnMoA,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
18CrNiMnMoA
  • Steel Garde:18CrNiMnMoA
  • Type:Special Alloy
  • Country:China
  • Standard:GBT
  • Application:China structural steel and alloy steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 796~800 σb/MPa
Yield Strength 976 σ 0.2 ≥/MPa
Elongation 61 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 226~092 -
HRC 30 -

Physical Properties

Thermal expansion 97-43 e-6/K
Thermal conductivity 60-75 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2918-9958 째C
Density 2519-6941 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)
18CrNiMnMoA 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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