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 639~582 σb/MPa
Yield Strength 336 σ 0.2 ≥/MPa
Elongation 27 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 425~309 -
HRC 30 -

Physical Properties

Thermal expansion 15-70 e-6/K
Thermal conductivity 14-07 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 5868-7530 째C
Density 1041-3273 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