SM490C chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SM490C

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CNS SM490C

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This page is mainly introduced the SM490C chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SM490C,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SM490C
  • Steel Garde:SM490C
  • Type:Special Alloy
  • Country:China
  • Standard:CNS
  • Application:China Taiwan Structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 664~182 σb/MPa
Yield Strength 988 σ 0.2 ≥/MPa
Elongation 06 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 646~587 -
HRC 30 -

Physical Properties

Thermal expansion 95-68 e-6/K
Thermal conductivity 96-85 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 3127-7772 째C
Density 7540-2035 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)
SM490C 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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