L450QB chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of L450QB

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UNE L450QB

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This page is mainly introduced the L450QB chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of L450QB,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
L450QB
  • Steel Garde:L450QB
  • Type:Special Alloy
  • Country:Spain
  • Standard:UNE
  • Application:Spain structural steel

Cross Reference Table(Equivalent Materials):

Material Standard Country
EN L450QB EN Euronorm

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 923~427 σb/MPa
Yield Strength 420 σ 0.2 ≥/MPa
Elongation 16 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 055~652 -
HRC 30 -

Physical Properties

Thermal expansion 72-33 e-6/K
Thermal conductivity 48-70 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 9191-7723 째C
Density 6250-7805 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)
L450QB 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