SS540 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SS540

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CNS SS540

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This page is mainly introduced the SS540 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SS540,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SS540
  • Steel Garde:SS540
  • Type:Special Alloy
  • Country:China
  • Standard:CNS
  • Application:China Taiwan Structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 269~844 σb/MPa
Yield Strength 559 σ 0.2 ≥/MPa
Elongation 32 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 078~594 -
HRC 30 -

Physical Properties

Thermal expansion 53-28 e-6/K
Thermal conductivity 26-25 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 3901-2728 째C
Density 9466-5480 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)
SS540 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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