ML30CrMoA chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ML30CrMoA

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GBT ML30CrMoA

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This page is mainly introduced the ML30CrMoA chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ML30CrMoA,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
ML30CrMoA
  • Steel Garde:ML30CrMoA
  • Type:Special Alloy
  • Country:China
  • Standard:GBT
  • Application:China structural steel and alloy steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 397~923 σb/MPa
Yield Strength 150 σ 0.2 ≥/MPa
Elongation 60 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 727~279 -
HRC 30 -

Physical Properties

Thermal expansion 60-56 e-6/K
Thermal conductivity 38-94 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 6662-8955 째C
Density 3170-0180 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)
ML30CrMoA 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

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