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 355~554 σb/MPa
Yield Strength 819 σ 0.2 ≥/MPa
Elongation 47 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 777~832 -
HRC 30 -

Physical Properties

Thermal expansion 02-03 e-6/K
Thermal conductivity 77-04 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 5435-0666 째C
Density 7122-1477 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