SN490C chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SN490C

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CNS SN490C

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This page is mainly introduced the SN490C chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SN490C,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SN490C
  • Steel Garde:SN490C
  • Type:Special Alloy
  • Country:China
  • Standard:CNS
  • Application:China Taiwan Structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 405~901 σb/MPa
Yield Strength 652 σ 0.2 ≥/MPa
Elongation 59 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 325~079 -
HRC 30 -

Physical Properties

Thermal expansion 53-89 e-6/K
Thermal conductivity 93-17 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 7331-5381 째C
Density 7625-5816 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)
SN490C 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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