SUS420J1 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS420J1

Location » Home » Grades > Special Alloy > SUS420J1

JIS SUS420J1

Profile

This page is mainly introduced the SUS420J1 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS420J1,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SUS420J1
  • Steel Garde:SUS420J1
  • Type:Special Alloy
  • Country:Japan
  • Standard:JIS
  • Application:Martensitic special steel

Cross Reference Table(Equivalent Materials):

Material Standard Country
SUS420J1FB
SUS420J1TKA JIS Japan

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 599~020 σb/MPa
Yield Strength 776 σ 0.2 ≥/MPa
Elongation 58 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 439~707 -
HRC 30 -

Physical Properties

Thermal expansion 04-04 e-6/K
Thermal conductivity 33-22 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2410-6449 째C
Density 5804-9422 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)
SUS420J1 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