SM490YA chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SM490YA

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CNS SM490YA

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This page is mainly introduced the SM490YA chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SM490YA,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SM490YA
  • Steel Garde:SM490YA
  • Type:Special Alloy
  • Country:China
  • Standard:CNS
  • Application:China Taiwan Structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 193~803 σb/MPa
Yield Strength 121 σ 0.2 ≥/MPa
Elongation 90 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 738~943 -
HRC 30 -

Physical Properties

Thermal expansion 65-25 e-6/K
Thermal conductivity 31-80 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 8030-3923 째C
Density 5393-0223 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)
SM490YA 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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