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

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EN EN L450QB

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

Cross Reference Table(Equivalent Materials):

Material Standard Country
L450QB UNE Spain

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 665~547 σb/MPa
Yield Strength 769 σ 0.2 ≥/MPa
Elongation 17 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 284~361 -
HRC 30 -

Physical Properties

Thermal expansion 86-74 e-6/K
Thermal conductivity 27-62 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 6266-3051 째C
Density 1957-6786 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)
EN 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