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

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GBT 38CrMoAl

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

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 678~954 σb/MPa
Yield Strength 079 σ 0.2 ≥/MPa
Elongation 10 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 107~005 -
HRC 30 -

Physical Properties

Thermal expansion 25-62 e-6/K
Thermal conductivity 19-87 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 4143-0649 째C
Density 4010-3486 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)
38CrMoAl 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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