SCM420H chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SCM420H

Location » Home » Grades > Special Alloy > SCM420H

CNS SCM420H

Profile

This page is mainly introduced the SCM420H chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SCM420H,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SCM420H
  • Steel Garde:SCM420H
  • Type:Special Alloy
  • Country:China
  • Standard:CNS
  • Application:China Taiwan Structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 165~989 σb/MPa
Yield Strength 025 σ 0.2 ≥/MPa
Elongation 28 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 159~687 -
HRC 30 -

Physical Properties

Thermal expansion 77-46 e-6/K
Thermal conductivity 07-29 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 6842-4513 째C
Density 3249-9973 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)
SCM420H 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

Hot keywords:SCM420H
Previous: SCM418H
Next: SCM435H