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 240~814 σb/MPa
Yield Strength 010 σ 0.2 ≥/MPa
Elongation 45 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 243~151 -
HRC 30 -

Physical Properties

Thermal expansion 61-32 e-6/K
Thermal conductivity 94-90 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 9932-5502 째C
Density 7974-4242 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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