30CrMnSi chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 30CrMnSi

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GBT 30CrMnSi

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This page is mainly introduced the 30CrMnSi chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 30CrMnSi,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
30CrMnSi
  • Steel Garde:30CrMnSi
  • Type:Special Alloy
  • Country:China
  • Standard:GBT
  • Application:China structural steel and alloy steel

Cross Reference Table(Equivalent Materials):

Material Standard Country
30CrMnSiA GBT China
30CrMnSiNi2A GBT China
ML30CrMnSiA GBT China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 826~588 σb/MPa
Yield Strength 989 σ 0.2 ≥/MPa
Elongation 54 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 464~313 -
HRC 30 -

Physical Properties

Thermal expansion 76-23 e-6/K
Thermal conductivity 42-44 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 6205-6495 째C
Density 5230-9530 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)
30CrMnSi 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