SS490 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SS490

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CNS SS490

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This page is mainly introduced the SS490 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SS490,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SS490
  • Steel Garde:SS490
  • Type:Special Alloy
  • Country:China
  • Standard:CNS
  • Application:China Taiwan Structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 206~186 σb/MPa
Yield Strength 399 σ 0.2 ≥/MPa
Elongation 92 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 805~788 -
HRC 30 -

Physical Properties

Thermal expansion 99-45 e-6/K
Thermal conductivity 39-38 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 4205-9925 째C
Density 7826-7549 kg/m3
Resistivity 0.50-0.60 Ohm.mm2/m
     

Heat Treatment Regime

Annealing

Quenching

Tempering

Normalizing

Q & T

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Size Availability

Steel Grade Specification Processing range(mm)
SS490 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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