20CrMnMo chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 20CrMnMo

Location » Home » Grades > Special Alloy > 20CrMnMo

GBT 20CrMnMo

Profile

This page is mainly introduced the 20CrMnMo chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 20CrMnMo,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
20CrMnMo
  • Steel Garde:20CrMnMo
  • Type:Special Alloy
  • Country:China
  • Standard:GBT
  • Application:China structural steel and alloy steel

Cross Reference Table(Equivalent Materials):

Material Standard Country
20CrMnMoH GBT China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 878~833 σb/MPa
Yield Strength 932 σ 0.2 ≥/MPa
Elongation 01 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 948~115 -
HRC 30 -

Physical Properties

Thermal expansion 74-00 e-6/K
Thermal conductivity 63-72 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2396-4268 째C
Density 8575-6539 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)
20CrMnMo 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