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

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GBT 30CrMnSiA

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

Cross Reference Table(Equivalent Materials):

Material Standard Country
ML30CrMnSiA GBT China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 627~953 σb/MPa
Yield Strength 629 σ 0.2 ≥/MPa
Elongation 75 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 813~507 -
HRC 30 -

Physical Properties

Thermal expansion 36-23 e-6/K
Thermal conductivity 51-55 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 4772-3566 째C
Density 6001-9425 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)
30CrMnSiA 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