L555QB chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of L555QB

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UNE L555QB

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This page is mainly introduced the L555QB chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of L555QB,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
L555QB
  • Steel Garde:L555QB
  • Type:Special Alloy
  • Country:Spain
  • Standard:UNE
  • Application:Spain structural steel

Cross Reference Table(Equivalent Materials):

Material Standard Country
EN L555QB EN Euronorm

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 804~682 σb/MPa
Yield Strength 864 σ 0.2 ≥/MPa
Elongation 66 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 910~149 -
HRC 30 -

Physical Properties

Thermal expansion 89-48 e-6/K
Thermal conductivity 89-87 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 8220-8776 째C
Density 4537-2958 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)
L555QB 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