ML38CrA chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ML38CrA

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GBT ML38CrA

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This page is mainly introduced the ML38CrA chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ML38CrA,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
ML38CrA
  • Steel Garde:ML38CrA
  • Type:Special Alloy
  • Country:China
  • Standard:GBT
  • Application:China structural steel and alloy steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 661~722 σb/MPa
Yield Strength 166 σ 0.2 ≥/MPa
Elongation 17 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 905~064 -
HRC 30 -

Physical Properties

Thermal expansion 09-86 e-6/K
Thermal conductivity 14-88 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 4540-4150 째C
Density 2242-5309 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)
ML38CrA 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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