42CrMo chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 42CrMo

Location » Home » Grades > Special Alloy > 42CrMo

GBT 42CrMo

Profile

This page is mainly introduced the 42CrMo chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 42CrMo,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
42CrMo
  • Steel Garde:42CrMo
  • Type:Special Alloy
  • Country:China
  • Standard:GBT
  • Application:China structural steel and alloy steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 153~127 σb/MPa
Yield Strength 967 σ 0.2 ≥/MPa
Elongation 24 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 796~922 -
HRC 30 -

Physical Properties

Thermal expansion 84-77 e-6/K
Thermal conductivity 56-86 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 5372-9382 째C
Density 7040-1431 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)
42CrMo 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