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 414~089 σb/MPa
Yield Strength 832 σ 0.2 ≥/MPa
Elongation 60 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 511~059 -
HRC 30 -

Physical Properties

Thermal expansion 66-99 e-6/K
Thermal conductivity 71-25 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2116-8144 째C
Density 1740-1428 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