SCr440 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SCr440

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CNS SCr440

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This page is mainly introduced the SCr440 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SCr440,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SCr440
  • Steel Garde:SCr440
  • Type:Special Alloy
  • Country:China
  • Standard:CNS
  • Application:China Taiwan Structural steel

Cross Reference Table(Equivalent Materials):

Material Standard Country
SCr440H CNS China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 302~608 σb/MPa
Yield Strength 594 σ 0.2 ≥/MPa
Elongation 81 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 578~746 -
HRC 30 -

Physical Properties

Thermal expansion 67-31 e-6/K
Thermal conductivity 22-90 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 8820-3895 째C
Density 2099-9820 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)
SCr440 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