ML04Al chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ML04Al

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GBT ML04Al

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This page is mainly introduced the ML04Al chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ML04Al,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
ML04Al
  • Steel Garde:ML04Al
  • Type:Special Alloy
  • Country:China
  • Standard:GBT
  • Application:China structural steel and alloy steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 634~434 σb/MPa
Yield Strength 097 σ 0.2 ≥/MPa
Elongation 60 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 228~638 -
HRC 30 -

Physical Properties

Thermal expansion 52-83 e-6/K
Thermal conductivity 72-76 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 7636-8284 째C
Density 3709-7369 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)
ML04Al 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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