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SUS420J2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS420J2

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JIS SUS420J2

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This page is mainly introduced the SUS420J2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS420J2,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SUS420J2

Steel Garde:SUS420J2
Type:Special Alloy
Country:Japan
Standard:JIS
Application:Martensitic special steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
SUS420J2-CPS	JIS	Japan
SUS420J2FB	JIS	Japan
SUS420J2TKA	JIS	Germany

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	196～487	σb/MPa
Yield Strength	872	σ 0.2 ≥/MPa
Elongation	81	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	816～938	-
HRC	30	-

Physical Properties

Thermal expansion	64-18	e-6/K
Thermal conductivity	65-21	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	5437-4208	째C
Density	2514-7400	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)
SUS420J2 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