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 363~029 σb/MPa
Yield Strength 377 σ 0.2 ≥/MPa
Elongation 76 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 907~453 -
HRC 30 -

Physical Properties

Thermal expansion 55-37 e-6/K
Thermal conductivity 77-75 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2831-8483 째C
Density 2042-8661 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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