38CrA chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 38CrA

Location » Home » Grades > Special Alloy > 38CrA

GBT 38CrA

Profile

This page is mainly introduced the 38CrA chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 38CrA,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
38CrA
  • Steel Garde:38CrA
  • Type:Special Alloy
  • Country:China
  • Standard:GBT
  • Application:China structural steel and alloy steel

Cross Reference Table(Equivalent Materials):

Material Standard Country
ML38CrA GBT China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 719~383 σb/MPa
Yield Strength 897 σ 0.2 ≥/MPa
Elongation 43 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 247~092 -
HRC 30 -

Physical Properties

Thermal expansion 89-07 e-6/K
Thermal conductivity 43-33 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 4306-5018 째C
Density 0766-3091 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)
38CrA 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