SCr420 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SCr420

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CNS SCr420

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This page is mainly introduced the SCr420 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SCr420,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SCr420
  • Steel Garde:SCr420
  • Type:Special Alloy
  • Country:China
  • Standard:CNS
  • Application:China Taiwan Structural steel

Cross Reference Table(Equivalent Materials):

Material Standard Country
SCr420H CNS China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 871~636 σb/MPa
Yield Strength 630 σ 0.2 ≥/MPa
Elongation 88 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 993~435 -
HRC 30 -

Physical Properties

Thermal expansion 64-02 e-6/K
Thermal conductivity 51-98 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 1152-5360 째C
Density 3600-9179 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)
SCr420 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