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 285~082 σb/MPa
Yield Strength 075 σ 0.2 ≥/MPa
Elongation 67 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 711~059 -
HRC 30 -

Physical Properties

Thermal expansion 54-79 e-6/K
Thermal conductivity 52-99 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2561-1577 째C
Density 8815-5624 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