ML30CrMnSiA chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ML30CrMnSiA

GBT ML30CrMnSiA

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This page is mainly introduced the ML30CrMnSiA chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ML30CrMnSiA,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
ML30CrMnSiA
  • Steel Garde:ML30CrMnSiA
  • Type:Special Alloy
  • Country:China
  • Standard:GBT
  • Application:China structural steel and alloy steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 166~793 σb/MPa
Yield Strength 661 σ 0.2 ≥/MPa
Elongation 55 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 834~015 -
HRC 30 -

Physical Properties

Thermal expansion 26-12 e-6/K
Thermal conductivity 44-28 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 5878-5312 째C
Density 2782-1353 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)
ML30CrMnSiA 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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