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

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GBT 30CrMoA

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

Cross Reference Table(Equivalent Materials):

Material Standard Country
ML30CrMoA GBT China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 619~567 σb/MPa
Yield Strength 478 σ 0.2 ≥/MPa
Elongation 25 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 151~969 -
HRC 30 -

Physical Properties

Thermal expansion 61-66 e-6/K
Thermal conductivity 60-83 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 8948-5758 째C
Density 0164-6701 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)
30CrMoA 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