SUS420F chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS420F

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JIS SUS420F

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This page is mainly introduced the SUS420F chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS420F,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SUS420F
  • Steel Garde:SUS420F
  • Type:Special Alloy
  • Country:Japan
  • Standard:JIS
  • Application:Martensitic special steel

Cross Reference Table(Equivalent Materials):

Material Standard Country
SUS420F2 JIS Japan

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 430~035 σb/MPa
Yield Strength 331 σ 0.2 ≥/MPa
Elongation 22 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 201~692 -
HRC 30 -

Physical Properties

Thermal expansion 51-56 e-6/K
Thermal conductivity 87-65 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 8866-5420 째C
Density 8230-9978 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)
SUS420F 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