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

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GBT 38CrSi

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

Cross Reference Table(Equivalent Materials):

Material Standard Country
38CrSiV6 DIN Germany

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 070~853 σb/MPa
Yield Strength 511 σ 0.2 ≥/MPa
Elongation 03 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 078~340 -
HRC 30 -

Physical Properties

Thermal expansion 68-45 e-6/K
Thermal conductivity 84-20 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 3319-6465 째C
Density 0717-0479 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)
38CrSi 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