ML15 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ML15

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GBT ML15

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This page is mainly introduced the ML15 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ML15,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
ML15
  • Steel Garde:ML15
  • Type:Special Alloy
  • Country:China
  • Standard:GBT
  • Application:China structural steel and alloy steel

Cross Reference Table(Equivalent Materials):

Material Standard Country
ML15Al GBT China
ML15Mn GBT China
ML15MnB⑤ GBT China
ML15MnVB GBT China
ML15 GBT China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 821~267 σb/MPa
Yield Strength 808 σ 0.2 ≥/MPa
Elongation 82 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 323~133 -
HRC 30 -

Physical Properties

Thermal expansion 50-16 e-6/K
Thermal conductivity 93-85 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 0854-2860 째C
Density 3149-0323 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)
ML15 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