S355N chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S355N

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UNE S355N

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This page is mainly introduced the S355N chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S355N,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
S355N
  • Steel Garde:S355N
  • Type:Special Alloy
  • Country:Spain
  • Standard:UNE
  • Application:Spain structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 231~291 σb/MPa
Yield Strength 793 σ 0.2 ≥/MPa
Elongation 18 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 993~678 -
HRC 30 -

Physical Properties

Thermal expansion 55-90 e-6/K
Thermal conductivity 54-71 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 4413-7274 째C
Density 2216-7442 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)
S355N 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