SCM440 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SCM440

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CNS SCM440

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This page is mainly introduced the SCM440 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SCM440,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SCM440
  • Steel Garde:SCM440
  • Type:Special Alloy
  • Country:China
  • Standard:CNS
  • Application:China Taiwan Structural steel

Cross Reference Table(Equivalent Materials):

Material Standard Country
SCM440H CNS China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 039~313 σb/MPa
Yield Strength 931 σ 0.2 ≥/MPa
Elongation 51 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 538~703 -
HRC 30 -

Physical Properties

Thermal expansion 48-70 e-6/K
Thermal conductivity 83-72 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2281-4277 째C
Density 2588-1479 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)
SCM440 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