ML30CrMo chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ML30CrMo

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GBT ML30CrMo

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This page is mainly introduced the ML30CrMo chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ML30CrMo,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
ML30CrMo
  • Steel Garde:ML30CrMo
  • 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 274~887 σb/MPa
Yield Strength 523 σ 0.2 ≥/MPa
Elongation 46 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 167~664 -
HRC 30 -

Physical Properties

Thermal expansion 86-73 e-6/K
Thermal conductivity 38-42 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 7174-7532 째C
Density 1222-5021 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)
ML30CrMo 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