SCM418 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SCM418

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CNS SCM418

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This page is mainly introduced the SCM418 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SCM418,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SCM418
  • Steel Garde:SCM418
  • Type:Special Alloy
  • Country:China
  • Standard:CNS
  • Application:China Taiwan Structural steel

Cross Reference Table(Equivalent Materials):

Material Standard Country
SCM418H CNS China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 286~289 σb/MPa
Yield Strength 703 σ 0.2 ≥/MPa
Elongation 21 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 285~678 -
HRC 30 -

Physical Properties

Thermal expansion 48-50 e-6/K
Thermal conductivity 89-14 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 6895-4947 째C
Density 7454-7495 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)
SCM418 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